Home / 677,991.93-935,560.73-406,052.85

Finding the Fourth Proportional to 677,991.93, 935,560.73 and 406,052.85

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Solution

The fourth proportional to 677,991.93, 935,560.73 and 406,052.85 is: 560,312.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,991.93 : 935,560.73 = 406,052.85 : x
  2. Step 2: Convert to fraction form
    677,991.93/935,560.73 = 406,052.85/x
  3. Step 3: Cross multiply
    677,991.93x = 935,560.73 × 406,052.85
  4. Step 4: Simplify right side
    677,991.93x = 379,887,098,734.32
  5. Step 5: Solve for x
    x = 379,887,098,734.32/677,991.93
  6. Step 6: Final answer
    x = 560,312.12

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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.