Home / 609,082.29-913,020.75-288,671.04

Finding the Fourth Proportional to 609,082.29, 913,020.75 and 288,671.04

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Solution

The fourth proportional to 609,082.29, 913,020.75 and 288,671.04 is: 432,720.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,082.29 : 913,020.75 = 288,671.04 : x
  2. Step 2: Convert to fraction form
    609,082.29/913,020.75 = 288,671.04/x
  3. Step 3: Cross multiply
    609,082.29x = 913,020.75 × 288,671.04
  4. Step 4: Simplify right side
    609,082.29x = 263,562,649,444.08
  5. Step 5: Solve for x
    x = 263,562,649,444.08/609,082.29
  6. Step 6: Final answer
    x = 432,720.92

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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.