Home / 432,215.50-649,743.08-401,002.76

Finding the Fourth Proportional to 432,215.50, 649,743.08 and 401,002.76

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Solution

The fourth proportional to 432,215.50, 649,743.08 and 401,002.76 is: 602,821.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,215.50 : 649,743.08 = 401,002.76 : x
  2. Step 2: Convert to fraction form
    432,215.50/649,743.08 = 401,002.76/x
  3. Step 3: Cross multiply
    432,215.50x = 649,743.08 × 401,002.76
  4. Step 4: Simplify right side
    432,215.50x = 260,548,768,370.90
  5. Step 5: Solve for x
    x = 260,548,768,370.90/432,215.50
  6. Step 6: Final answer
    x = 602,821.44

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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.