Home / 624,828.40-862,267.28-338,348.50

Finding the Fourth Proportional to 624,828.40, 862,267.28 and 338,348.50

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Solution

The fourth proportional to 624,828.40, 862,267.28 and 338,348.50 is: 466,923.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,828.40 : 862,267.28 = 338,348.50 : x
  2. Step 2: Convert to fraction form
    624,828.40/862,267.28 = 338,348.50/x
  3. Step 3: Cross multiply
    624,828.40x = 862,267.28 × 338,348.50
  4. Step 4: Simplify right side
    624,828.40x = 291,746,840,787.08
  5. Step 5: Solve for x
    x = 291,746,840,787.08/624,828.40
  6. Step 6: Final answer
    x = 466,923.14

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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.