Home / 1,231,641.15-1,700,464.54-1,102,355.73

Finding the Fourth Proportional to 1,231,641.15, 1,700,464.54 and 1,102,355.73

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Solution

The fourth proportional to 1,231,641.15, 1,700,464.54 and 1,102,355.73 is: 1,521,966.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,641.15 : 1,700,464.54 = 1,102,355.73 : x
  2. Step 2: Convert to fraction form
    1,231,641.15/1,700,464.54 = 1,102,355.73/x
  3. Step 3: Cross multiply
    1,231,641.15x = 1,700,464.54 × 1,102,355.73
  4. Step 4: Simplify right side
    1,231,641.15x = 1,874,516,832,086.70
  5. Step 5: Solve for x
    x = 1,874,516,832,086.70/1,231,641.15
  6. Step 6: Final answer
    x = 1,521,966.72

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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.