Home / 758,660.48-1,138,296.72-337,648.40

Finding the Fourth Proportional to 758,660.48, 1,138,296.72 and 337,648.40

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Solution

The fourth proportional to 758,660.48, 1,138,296.72 and 337,648.40 is: 506,608.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,660.48 : 1,138,296.72 = 337,648.40 : x
  2. Step 2: Convert to fraction form
    758,660.48/1,138,296.72 = 337,648.40/x
  3. Step 3: Cross multiply
    758,660.48x = 1,138,296.72 × 337,648.40
  4. Step 4: Simplify right side
    758,660.48x = 384,344,066,233.25
  5. Step 5: Solve for x
    x = 384,344,066,233.25/758,660.48
  6. Step 6: Final answer
    x = 506,608.79

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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.