Home / 1,456,321.16-2,182,765.56-656,666.48

Finding the Fourth Proportional to 1,456,321.16, 2,182,765.56 and 656,666.48

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Solution

The fourth proportional to 1,456,321.16, 2,182,765.56 and 656,666.48 is: 984,225.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,321.16 : 2,182,765.56 = 656,666.48 : x
  2. Step 2: Convert to fraction form
    1,456,321.16/2,182,765.56 = 656,666.48/x
  3. Step 3: Cross multiply
    1,456,321.16x = 2,182,765.56 × 656,666.48
  4. Step 4: Simplify right side
    1,456,321.16x = 1,433,348,976,950.43
  5. Step 5: Solve for x
    x = 1,433,348,976,950.43/1,456,321.16
  6. Step 6: Final answer
    x = 984,225.88

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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.