Home / 832,173.50-1,148,440.74-509,901.50

Finding the Fourth Proportional to 832,173.50, 1,148,440.74 and 509,901.50

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Solution

The fourth proportional to 832,173.50, 1,148,440.74 and 509,901.50 is: 703,689.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,173.50 : 1,148,440.74 = 509,901.50 : x
  2. Step 2: Convert to fraction form
    832,173.50/1,148,440.74 = 509,901.50/x
  3. Step 3: Cross multiply
    832,173.50x = 1,148,440.74 × 509,901.50
  4. Step 4: Simplify right side
    832,173.50x = 585,591,655,987.11
  5. Step 5: Solve for x
    x = 585,591,655,987.11/832,173.50
  6. Step 6: Final answer
    x = 703,689.38

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Double scale
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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.