Home / 747,586.36-1,031,633.30-425,266.30

Finding the Fourth Proportional to 747,586.36, 1,031,633.30 and 425,266.30

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Solution

The fourth proportional to 747,586.36, 1,031,633.30 and 425,266.30 is: 586,847.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,586.36 : 1,031,633.30 = 425,266.30 : x
  2. Step 2: Convert to fraction form
    747,586.36/1,031,633.30 = 425,266.30/x
  3. Step 3: Cross multiply
    747,586.36x = 1,031,633.30 × 425,266.30
  4. Step 4: Simplify right side
    747,586.36x = 438,718,876,447.79
  5. Step 5: Solve for x
    x = 438,718,876,447.79/747,586.36
  6. Step 6: Final answer
    x = 586,847.09

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Half scale
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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.