Home / 624,864.17-862,310.86-338,384.18

Finding the Fourth Proportional to 624,864.17, 862,310.86 and 338,384.18

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Solution

The fourth proportional to 624,864.17, 862,310.86 and 338,384.18 is: 466,969.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,864.17 : 862,310.86 = 338,384.18 : x
  2. Step 2: Convert to fraction form
    624,864.17/862,310.86 = 338,384.18/x
  3. Step 3: Cross multiply
    624,864.17x = 862,310.86 × 338,384.18
  4. Step 4: Simplify right side
    624,864.17x = 291,792,356,479.42
  5. Step 5: Solve for x
    x = 291,792,356,479.42/624,864.17
  6. Step 6: Final answer
    x = 466,969.25

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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.