Home / 723,083.10-1,085,791.05-545,790.30

Finding the Fourth Proportional to 723,083.10, 1,085,791.05 and 545,790.30

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Solution

The fourth proportional to 723,083.10, 1,085,791.05 and 545,790.30 is: 819,565.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,083.10 : 1,085,791.05 = 545,790.30 : x
  2. Step 2: Convert to fraction form
    723,083.10/1,085,791.05 = 545,790.30/x
  3. Step 3: Cross multiply
    723,083.10x = 1,085,791.05 × 545,790.30
  4. Step 4: Simplify right side
    723,083.10x = 592,614,222,916.82
  5. Step 5: Solve for x
    x = 592,614,222,916.82/723,083.10
  6. Step 6: Final answer
    x = 819,565.86

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Double scale
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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.