Home / 747,122.67-1,031,024.41-424,832.78

Finding the Fourth Proportional to 747,122.67, 1,031,024.41 and 424,832.78

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Solution

The fourth proportional to 747,122.67, 1,031,024.41 and 424,832.78 is: 586,266.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,122.67 : 1,031,024.41 = 424,832.78 : x
  2. Step 2: Convert to fraction form
    747,122.67/1,031,024.41 = 424,832.78/x
  3. Step 3: Cross multiply
    747,122.67x = 1,031,024.41 × 424,832.78
  4. Step 4: Simplify right side
    747,122.67x = 438,012,967,863.64
  5. Step 5: Solve for x
    x = 438,012,967,863.64/747,122.67
  6. Step 6: Final answer
    x = 586,266.47

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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.