Home / 868,543.86-1,198,638.32-481,351.22

Finding the Fourth Proportional to 868,543.86, 1,198,638.32 and 481,351.22

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Solution

The fourth proportional to 868,543.86, 1,198,638.32 and 481,351.22 is: 664,291.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,543.86 : 1,198,638.32 = 481,351.22 : x
  2. Step 2: Convert to fraction form
    868,543.86/1,198,638.32 = 481,351.22/x
  3. Step 3: Cross multiply
    868,543.86x = 1,198,638.32 × 481,351.22
  4. Step 4: Simplify right side
    868,543.86x = 576,966,021,870.72
  5. Step 5: Solve for x
    x = 576,966,021,870.72/868,543.86
  6. Step 6: Final answer
    x = 664,291.18

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Double scale
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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.