Home / 1,200,366.08-1,656,481.90-656,500.18

Finding the Fourth Proportional to 1,200,366.08, 1,656,481.90 and 656,500.18

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Solution

The fourth proportional to 1,200,366.08, 1,656,481.90 and 656,500.18 is: 905,957.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,366.08 : 1,656,481.90 = 656,500.18 : x
  2. Step 2: Convert to fraction form
    1,200,366.08/1,656,481.90 = 656,500.18/x
  3. Step 3: Cross multiply
    1,200,366.08x = 1,656,481.90 × 656,500.18
  4. Step 4: Simplify right side
    1,200,366.08x = 1,087,480,653,951.83
  5. Step 5: Solve for x
    x = 1,087,480,653,951.83/1,200,366.08
  6. Step 6: Final answer
    x = 905,957.50

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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.