Home / 1,156,720.38-1,735,029.54-315,272.13

Finding the Fourth Proportional to 1,156,720.38, 1,735,029.54 and 315,272.13

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Solution

The fourth proportional to 1,156,720.38, 1,735,029.54 and 315,272.13 is: 472,894.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,720.38 : 1,735,029.54 = 315,272.13 : x
  2. Step 2: Convert to fraction form
    1,156,720.38/1,735,029.54 = 315,272.13/x
  3. Step 3: Cross multiply
    1,156,720.38x = 1,735,029.54 × 315,272.13
  4. Step 4: Simplify right side
    1,156,720.38x = 547,006,458,688.72
  5. Step 5: Solve for x
    x = 547,006,458,688.72/1,156,720.38
  6. Step 6: Final answer
    x = 472,894.29

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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.