Home / 516,037.13-712,236.02-298,255.05

Finding the Fourth Proportional to 516,037.13, 712,236.02 and 298,255.05

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Solution

The fourth proportional to 516,037.13, 712,236.02 and 298,255.05 is: 411,652.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,037.13 : 712,236.02 = 298,255.05 : x
  2. Step 2: Convert to fraction form
    516,037.13/712,236.02 = 298,255.05/x
  3. Step 3: Cross multiply
    516,037.13x = 712,236.02 × 298,255.05
  4. Step 4: Simplify right side
    516,037.13x = 212,427,988,265.63
  5. Step 5: Solve for x
    x = 212,427,988,265.63/516,037.13
  6. Step 6: Final answer
    x = 411,652.53

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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.