Home / 881,899.10-1,320,880.35-681,569.90

Finding the Fourth Proportional to 881,899.10, 1,320,880.35 and 681,569.90

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Solution

The fourth proportional to 881,899.10, 1,320,880.35 and 681,569.90 is: 1,020,833.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,899.10 : 1,320,880.35 = 681,569.90 : x
  2. Step 2: Convert to fraction form
    881,899.10/1,320,880.35 = 681,569.90/x
  3. Step 3: Cross multiply
    881,899.10x = 1,320,880.35 × 681,569.90
  4. Step 4: Simplify right side
    881,899.10x = 900,272,288,061.47
  5. Step 5: Solve for x
    x = 900,272,288,061.47/881,899.10
  6. Step 6: Final answer
    x = 1,020,833.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.