Home / 679,114.13-937,177.49-377,308.13

Finding the Fourth Proportional to 679,114.13, 937,177.49 and 377,308.13

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Solution

The fourth proportional to 679,114.13, 937,177.49 and 377,308.13 is: 520,685.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,114.13 : 937,177.49 = 377,308.13 : x
  2. Step 2: Convert to fraction form
    679,114.13/937,177.49 = 377,308.13/x
  3. Step 3: Cross multiply
    679,114.13x = 937,177.49 × 377,308.13
  4. Step 4: Simplify right side
    679,114.13x = 353,604,682,487.38
  5. Step 5: Solve for x
    x = 353,604,682,487.38/679,114.13
  6. Step 6: Final answer
    x = 520,685.21

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Double scale
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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.