Home / 1,139,787.60-1,572,769.89-656,509.92

Finding the Fourth Proportional to 1,139,787.60, 1,572,769.89 and 656,509.92

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Solution

The fourth proportional to 1,139,787.60, 1,572,769.89 and 656,509.92 is: 905,904.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,787.60 : 1,572,769.89 = 656,509.92 : x
  2. Step 2: Convert to fraction form
    1,139,787.60/1,572,769.89 = 656,509.92/x
  3. Step 3: Cross multiply
    1,139,787.60x = 1,572,769.89 × 656,509.92
  4. Step 4: Simplify right side
    1,139,787.60x = 1,032,539,034,662.31
  5. Step 5: Solve for x
    x = 1,032,539,034,662.31/1,139,787.60
  6. Step 6: Final answer
    x = 905,904.78

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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.