Home / 1,145,520.92-1,580,796.06-636,205.88

Finding the Fourth Proportional to 1,145,520.92, 1,580,796.06 and 636,205.88

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Solution

The fourth proportional to 1,145,520.92, 1,580,796.06 and 636,205.88 is: 877,951.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,520.92 : 1,580,796.06 = 636,205.88 : x
  2. Step 2: Convert to fraction form
    1,145,520.92/1,580,796.06 = 636,205.88/x
  3. Step 3: Cross multiply
    1,145,520.92x = 1,580,796.06 × 636,205.88
  4. Step 4: Simplify right side
    1,145,520.92x = 1,005,711,748,452.83
  5. Step 5: Solve for x
    x = 1,005,711,748,452.83/1,145,520.92
  6. Step 6: Final answer
    x = 877,951.45

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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.