Home / 1,172,895.28-1,618,423.41-656,622.34

Finding the Fourth Proportional to 1,172,895.28, 1,618,423.41 and 656,622.34

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Solution

The fourth proportional to 1,172,895.28, 1,618,423.41 and 656,622.34 is: 906,042.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,895.28 : 1,618,423.41 = 656,622.34 : x
  2. Step 2: Convert to fraction form
    1,172,895.28/1,618,423.41 = 656,622.34/x
  3. Step 3: Cross multiply
    1,172,895.28x = 1,618,423.41 × 656,622.34
  4. Step 4: Simplify right side
    1,172,895.28x = 1,062,692,966,584.98
  5. Step 5: Solve for x
    x = 1,062,692,966,584.98/1,172,895.28
  6. Step 6: Final answer
    x = 906,042.50

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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.