Home / 886,485.39-1,223,395.68-542,213.38

Finding the Fourth Proportional to 886,485.39, 1,223,395.68 and 542,213.38

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Solution

The fourth proportional to 886,485.39, 1,223,395.68 and 542,213.38 is: 748,282.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,485.39 : 1,223,395.68 = 542,213.38 : x
  2. Step 2: Convert to fraction form
    886,485.39/1,223,395.68 = 542,213.38/x
  3. Step 3: Cross multiply
    886,485.39x = 1,223,395.68 × 542,213.38
  4. Step 4: Simplify right side
    886,485.39x = 663,341,506,730.20
  5. Step 5: Solve for x
    x = 663,341,506,730.20/886,485.39
  6. Step 6: Final answer
    x = 748,282.50

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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.