Home / 832,135.62-1,248,238.96-326,806.12

Finding the Fourth Proportional to 832,135.62, 1,248,238.96 and 326,806.12

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Solution

The fourth proportional to 832,135.62, 1,248,238.96 and 326,806.12 is: 490,223.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,135.62 : 1,248,238.96 = 326,806.12 : x
  2. Step 2: Convert to fraction form
    832,135.62/1,248,238.96 = 326,806.12/x
  3. Step 3: Cross multiply
    832,135.62x = 1,248,238.96 × 326,806.12
  4. Step 4: Simplify right side
    832,135.62x = 407,932,126,701.61
  5. Step 5: Solve for x
    x = 407,932,126,701.61/832,135.62
  6. Step 6: Final answer
    x = 490,223.13

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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.