Home / 992,453.40-1,488,680.10-614,539.80

Finding the Fourth Proportional to 992,453.40, 1,488,680.10 and 614,539.80

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Solution

The fourth proportional to 992,453.40, 1,488,680.10 and 614,539.80 is: 921,809.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,453.40 : 1,488,680.10 = 614,539.80 : x
  2. Step 2: Convert to fraction form
    992,453.40/1,488,680.10 = 614,539.80/x
  3. Step 3: Cross multiply
    992,453.40x = 1,488,680.10 × 614,539.80
  4. Step 4: Simplify right side
    992,453.40x = 914,853,170,917.98
  5. Step 5: Solve for x
    x = 914,853,170,917.98/992,453.40
  6. Step 6: Final answer
    x = 921,809.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.