Home / 838,553.90-1,257,918.10-231,342.24

Finding the Fourth Proportional to 838,553.90, 1,257,918.10 and 231,342.24

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Solution

The fourth proportional to 838,553.90, 1,257,918.10 and 231,342.24 is: 347,037.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,553.90 : 1,257,918.10 = 231,342.24 : x
  2. Step 2: Convert to fraction form
    838,553.90/1,257,918.10 = 231,342.24/x
  3. Step 3: Cross multiply
    838,553.90x = 1,257,918.10 × 231,342.24
  4. Step 4: Simplify right side
    838,553.90x = 291,009,584,700.95
  5. Step 5: Solve for x
    x = 291,009,584,700.95/838,553.90
  6. Step 6: Final answer
    x = 347,037.42

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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.