Home / 526,638.47-726,766.29-284,926.23

Finding the Fourth Proportional to 526,638.47, 726,766.29 and 284,926.23

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Solution

The fourth proportional to 526,638.47, 726,766.29 and 284,926.23 is: 393,201.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,638.47 : 726,766.29 = 284,926.23 : x
  2. Step 2: Convert to fraction form
    526,638.47/726,766.29 = 284,926.23/x
  3. Step 3: Cross multiply
    526,638.47x = 726,766.29 × 284,926.23
  4. Step 4: Simplify right side
    526,638.47x = 207,074,779,100.79
  5. Step 5: Solve for x
    x = 207,074,779,100.79/526,638.47
  6. Step 6: Final answer
    x = 393,201.02

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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.