Home / 995,901.52-1,374,362.76-543,208.72

Finding the Fourth Proportional to 995,901.52, 1,374,362.76 and 543,208.72

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Solution

The fourth proportional to 995,901.52, 1,374,362.76 and 543,208.72 is: 749,638.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,901.52 : 1,374,362.76 = 543,208.72 : x
  2. Step 2: Convert to fraction form
    995,901.52/1,374,362.76 = 543,208.72/x
  3. Step 3: Cross multiply
    995,901.52x = 1,374,362.76 × 543,208.72
  4. Step 4: Simplify right side
    995,901.52x = 746,565,835,675.27
  5. Step 5: Solve for x
    x = 746,565,835,675.27/995,901.52
  6. Step 6: Final answer
    x = 749,638.21

Related Problems

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Half scale
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Double scale
Find fourth proportional to 995,902.52, 1,374,364.14 and 543,209.72
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.