Home / 1,651,151.76-2,278,585.47-916,217.70

Finding the Fourth Proportional to 1,651,151.76, 2,278,585.47 and 916,217.70

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Solution

The fourth proportional to 1,651,151.76, 2,278,585.47 and 916,217.70 is: 1,264,378.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,651,151.76 : 2,278,585.47 = 916,217.70 : x
  2. Step 2: Convert to fraction form
    1,651,151.76/2,278,585.47 = 916,217.70/x
  3. Step 3: Cross multiply
    1,651,151.76x = 2,278,585.47 × 916,217.70
  4. Step 4: Simplify right side
    1,651,151.76x = 2,087,680,338,576.82
  5. Step 5: Solve for x
    x = 2,087,680,338,576.82/1,651,151.76
  6. Step 6: Final answer
    x = 1,264,378.23

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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.