Home / 356,250.85-534,736.36-315,988.35

Finding the Fourth Proportional to 356,250.85, 534,736.36 and 315,988.35

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Solution

The fourth proportional to 356,250.85, 534,736.36 and 315,988.35 is: 474,301.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,250.85 : 534,736.36 = 315,988.35 : x
  2. Step 2: Convert to fraction form
    356,250.85/534,736.36 = 315,988.35/x
  3. Step 3: Cross multiply
    356,250.85x = 534,736.36 × 315,988.35
  4. Step 4: Simplify right side
    356,250.85x = 168,970,463,341.90
  5. Step 5: Solve for x
    x = 168,970,463,341.90/356,250.85
  6. Step 6: Final answer
    x = 474,301.92

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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.