Home / 705,337.16-1,057,864.19-345,352.82

Finding the Fourth Proportional to 705,337.16, 1,057,864.19 and 345,352.82

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Solution

The fourth proportional to 705,337.16, 1,057,864.19 and 345,352.82 is: 517,959.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,337.16 : 1,057,864.19 = 345,352.82 : x
  2. Step 2: Convert to fraction form
    705,337.16/1,057,864.19 = 345,352.82/x
  3. Step 3: Cross multiply
    705,337.16x = 1,057,864.19 × 345,352.82
  4. Step 4: Simplify right side
    705,337.16x = 365,336,374,177.43
  5. Step 5: Solve for x
    x = 365,336,374,177.43/705,337.16
  6. Step 6: Final answer
    x = 517,959.92

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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.