Home / 886,449.20-1,223,345.70-542,177.13

Finding the Fourth Proportional to 886,449.20, 1,223,345.70 and 542,177.13

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Solution

The fourth proportional to 886,449.20, 1,223,345.70 and 542,177.13 is: 748,232.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,449.20 : 1,223,345.70 = 542,177.13 : x
  2. Step 2: Convert to fraction form
    886,449.20/1,223,345.70 = 542,177.13/x
  3. Step 3: Cross multiply
    886,449.20x = 1,223,345.70 × 542,177.13
  4. Step 4: Simplify right side
    886,449.20x = 663,270,060,623.84
  5. Step 5: Solve for x
    x = 663,270,060,623.84/886,449.20
  6. Step 6: Final answer
    x = 748,232.45

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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.