Home / 1,227,065.52-1,693,330.20-717,854.16

Finding the Fourth Proportional to 1,227,065.52, 1,693,330.20 and 717,854.16

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Solution

The fourth proportional to 1,227,065.52, 1,693,330.20 and 717,854.16 is: 990,626.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,065.52 : 1,693,330.20 = 717,854.16 : x
  2. Step 2: Convert to fraction form
    1,227,065.52/1,693,330.20 = 717,854.16/x
  3. Step 3: Cross multiply
    1,227,065.52x = 1,693,330.20 × 717,854.16
  4. Step 4: Simplify right side
    1,227,065.52x = 1,215,564,128,323.63
  5. Step 5: Solve for x
    x = 1,215,564,128,323.63/1,227,065.52
  6. Step 6: Final answer
    x = 990,626.91

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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.