Home / 432,276.48-648,104.22-204,445.62

Finding the Fourth Proportional to 432,276.48, 648,104.22 and 204,445.62

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Solution

The fourth proportional to 432,276.48, 648,104.22 and 204,445.62 is: 306,521.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,276.48 : 648,104.22 = 204,445.62 : x
  2. Step 2: Convert to fraction form
    432,276.48/648,104.22 = 204,445.62/x
  3. Step 3: Cross multiply
    432,276.48x = 648,104.22 × 204,445.62
  4. Step 4: Simplify right side
    432,276.48x = 132,502,069,082.52
  5. Step 5: Solve for x
    x = 132,502,069,082.52/432,276.48
  6. Step 6: Final answer
    x = 306,521.58

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1.5x scale

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.