Home / 886,332.02-1,223,121.57-542,142.68

Finding the Fourth Proportional to 886,332.02, 1,223,121.57 and 542,142.68

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Solution

The fourth proportional to 886,332.02, 1,223,121.57 and 542,142.68 is: 748,146.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,332.02 : 1,223,121.57 = 542,142.68 : x
  2. Step 2: Convert to fraction form
    886,332.02/1,223,121.57 = 542,142.68/x
  3. Step 3: Cross multiply
    886,332.02x = 1,223,121.57 × 542,142.68
  4. Step 4: Simplify right side
    886,332.02x = 663,106,399,810.00
  5. Step 5: Solve for x
    x = 663,106,399,810.00/886,332.02
  6. Step 6: Final answer
    x = 748,146.73

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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.