Home / 516,204.19-712,475.55-286,840.13

Finding the Fourth Proportional to 516,204.19, 712,475.55 and 286,840.13

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Solution

The fourth proportional to 516,204.19, 712,475.55 and 286,840.13 is: 395,902.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,204.19 : 712,475.55 = 286,840.13 : x
  2. Step 2: Convert to fraction form
    516,204.19/712,475.55 = 286,840.13/x
  3. Step 3: Cross multiply
    516,204.19x = 712,475.55 × 286,840.13
  4. Step 4: Simplify right side
    516,204.19x = 204,366,577,949.62
  5. Step 5: Solve for x
    x = 204,366,577,949.62/516,204.19
  6. Step 6: Final answer
    x = 395,902.60

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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.