Home / 417,404.12-625,552.59-217,892.31

Finding the Fourth Proportional to 417,404.12, 625,552.59 and 217,892.31

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Solution

The fourth proportional to 417,404.12, 625,552.59 and 217,892.31 is: 326,549.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,404.12 : 625,552.59 = 217,892.31 : x
  2. Step 2: Convert to fraction form
    417,404.12/625,552.59 = 217,892.31/x
  3. Step 3: Cross multiply
    417,404.12x = 625,552.59 × 217,892.31
  4. Step 4: Simplify right side
    417,404.12x = 136,303,098,861.58
  5. Step 5: Solve for x
    x = 136,303,098,861.58/417,404.12
  6. Step 6: Final answer
    x = 326,549.49

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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.