Home / 624,844.18-862,285.80-338,364.73

Finding the Fourth Proportional to 624,844.18, 862,285.80 and 338,364.73

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Solution

The fourth proportional to 624,844.18, 862,285.80 and 338,364.73 is: 466,943.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,844.18 : 862,285.80 = 338,364.73 : x
  2. Step 2: Convert to fraction form
    624,844.18/862,285.80 = 338,364.73/x
  3. Step 3: Cross multiply
    624,844.18x = 862,285.80 × 338,364.73
  4. Step 4: Simplify right side
    624,844.18x = 291,767,101,899.83
  5. Step 5: Solve for x
    x = 291,767,101,899.83/624,844.18
  6. Step 6: Final answer
    x = 466,943.78

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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.