Home / 530,142.17-731,586.09-294,388.11

Finding the Fourth Proportional to 530,142.17, 731,586.09 and 294,388.11

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Solution

The fourth proportional to 530,142.17, 731,586.09 and 294,388.11 is: 406,249.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,142.17 : 731,586.09 = 294,388.11 : x
  2. Step 2: Convert to fraction form
    530,142.17/731,586.09 = 294,388.11/x
  3. Step 3: Cross multiply
    530,142.17x = 731,586.09 × 294,388.11
  4. Step 4: Simplify right side
    530,142.17x = 215,370,246,337.39
  5. Step 5: Solve for x
    x = 215,370,246,337.39/530,142.17
  6. Step 6: Final answer
    x = 406,249.98

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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.