Home / 991,497.92-1,487,246.89-654,459.73

Finding the Fourth Proportional to 991,497.92, 1,487,246.89 and 654,459.73

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Solution

The fourth proportional to 991,497.92, 1,487,246.89 and 654,459.73 is: 981,689.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,497.92 : 1,487,246.89 = 654,459.73 : x
  2. Step 2: Convert to fraction form
    991,497.92/1,487,246.89 = 654,459.73/x
  3. Step 3: Cross multiply
    991,497.92x = 1,487,246.89 × 654,459.73
  4. Step 4: Simplify right side
    991,497.92x = 973,343,192,899.90
  5. Step 5: Solve for x
    x = 973,343,192,899.90/991,497.92
  6. Step 6: Final answer
    x = 981,689.60

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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.