Home / 884,432.55-1,327,632.98-485,851.80

Finding the Fourth Proportional to 884,432.55, 1,327,632.98 and 485,851.80

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Solution

The fourth proportional to 884,432.55, 1,327,632.98 and 485,851.80 is: 729,318.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,432.55 : 1,327,632.98 = 485,851.80 : x
  2. Step 2: Convert to fraction form
    884,432.55/1,327,632.98 = 485,851.80/x
  3. Step 3: Cross multiply
    884,432.55x = 1,327,632.98 × 485,851.80
  4. Step 4: Simplify right side
    884,432.55x = 645,032,870,643.11
  5. Step 5: Solve for x
    x = 645,032,870,643.11/884,432.55
  6. Step 6: Final answer
    x = 729,318.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.