Home / 498,650.04-688,151.16-272,310.12

Finding the Fourth Proportional to 498,650.04, 688,151.16 and 272,310.12

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Solution

The fourth proportional to 498,650.04, 688,151.16 and 272,310.12 is: 375,795.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,650.04 : 688,151.16 = 272,310.12 : x
  2. Step 2: Convert to fraction form
    498,650.04/688,151.16 = 272,310.12/x
  3. Step 3: Cross multiply
    498,650.04x = 688,151.16 × 272,310.12
  4. Step 4: Simplify right side
    498,650.04x = 187,390,524,957.74
  5. Step 5: Solve for x
    x = 187,390,524,957.74/498,650.04
  6. Step 6: Final answer
    x = 375,795.67

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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.