Home / 372,099.76-558,430.53-272,518.13

Finding the Fourth Proportional to 372,099.76, 558,430.53 and 272,518.13

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Solution

The fourth proportional to 372,099.76, 558,430.53 and 272,518.13 is: 408,982.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,099.76 : 558,430.53 = 272,518.13 : x
  2. Step 2: Convert to fraction form
    372,099.76/558,430.53 = 272,518.13/x
  3. Step 3: Cross multiply
    372,099.76x = 558,430.53 × 272,518.13
  4. Step 4: Simplify right side
    372,099.76x = 152,182,442,407.92
  5. Step 5: Solve for x
    x = 152,182,442,407.92/372,099.76
  6. Step 6: Final answer
    x = 408,982.91

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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.