Home / 798,110.70-1,197,166.05-499,512.30

Finding the Fourth Proportional to 798,110.70, 1,197,166.05 and 499,512.30

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Solution

The fourth proportional to 798,110.70, 1,197,166.05 and 499,512.30 is: 749,268.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,110.70 : 1,197,166.05 = 499,512.30 : x
  2. Step 2: Convert to fraction form
    798,110.70/1,197,166.05 = 499,512.30/x
  3. Step 3: Cross multiply
    798,110.70x = 1,197,166.05 × 499,512.30
  4. Step 4: Simplify right side
    798,110.70x = 597,999,167,117.42
  5. Step 5: Solve for x
    x = 597,999,167,117.42/798,110.70
  6. Step 6: Final answer
    x = 749,268.45

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Half scale
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Double scale
Find fourth proportional to 798,111.70, 1,197,167.55 and 499,513.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.