Home / 679,248.12-937,372.10-373,352.79

Finding the Fourth Proportional to 679,248.12, 937,372.10 and 373,352.79

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Solution

The fourth proportional to 679,248.12, 937,372.10 and 373,352.79 is: 515,232.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,248.12 : 937,372.10 = 373,352.79 : x
  2. Step 2: Convert to fraction form
    679,248.12/937,372.10 = 373,352.79/x
  3. Step 3: Cross multiply
    679,248.12x = 937,372.10 × 373,352.79
  4. Step 4: Simplify right side
    679,248.12x = 349,970,486,936.40
  5. Step 5: Solve for x
    x = 349,970,486,936.40/679,248.12
  6. Step 6: Final answer
    x = 515,232.18

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Double scale
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Similar ratio
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1.5x scale

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.