Home / 881,543.92-1,217,030.34-674,422.78

Finding the Fourth Proportional to 881,543.92, 1,217,030.34 and 674,422.78

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Solution

The fourth proportional to 881,543.92, 1,217,030.34 and 674,422.78 is: 931,085.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,543.92 : 1,217,030.34 = 674,422.78 : x
  2. Step 2: Convert to fraction form
    881,543.92/1,217,030.34 = 674,422.78/x
  3. Step 3: Cross multiply
    881,543.92x = 1,217,030.34 × 674,422.78
  4. Step 4: Simplify right side
    881,543.92x = 820,792,985,247.15
  5. Step 5: Solve for x
    x = 820,792,985,247.15/881,543.92
  6. Step 6: Final answer
    x = 931,085.75

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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.