Home / 767,599.68-1,151,123.04-324,402.24

Finding the Fourth Proportional to 767,599.68, 1,151,123.04 and 324,402.24

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Solution

The fourth proportional to 767,599.68, 1,151,123.04 and 324,402.24 is: 486,486.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,599.68 : 1,151,123.04 = 324,402.24 : x
  2. Step 2: Convert to fraction form
    767,599.68/1,151,123.04 = 324,402.24/x
  3. Step 3: Cross multiply
    767,599.68x = 1,151,123.04 × 324,402.24
  4. Step 4: Simplify right side
    767,599.68x = 373,426,892,691.61
  5. Step 5: Solve for x
    x = 373,426,892,691.61/767,599.68
  6. Step 6: Final answer
    x = 486,486.51

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Double scale
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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.