Home / 838,362.78-1,157,709.24-532,537.70

Finding the Fourth Proportional to 838,362.78, 1,157,709.24 and 532,537.70

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Solution

The fourth proportional to 838,362.78, 1,157,709.24 and 532,537.70 is: 735,390.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,362.78 : 1,157,709.24 = 532,537.70 : x
  2. Step 2: Convert to fraction form
    838,362.78/1,157,709.24 = 532,537.70/x
  3. Step 3: Cross multiply
    838,362.78x = 1,157,709.24 × 532,537.70
  4. Step 4: Simplify right side
    838,362.78x = 616,523,810,149.80
  5. Step 5: Solve for x
    x = 616,523,810,149.80/838,362.78
  6. Step 6: Final answer
    x = 735,390.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.