Home / 1,215,244.29-1,676,986.05-698,959.20

Finding the Fourth Proportional to 1,215,244.29, 1,676,986.05 and 698,959.20

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Solution

The fourth proportional to 1,215,244.29, 1,676,986.05 and 698,959.20 is: 964,534.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,244.29 : 1,676,986.05 = 698,959.20 : x
  2. Step 2: Convert to fraction form
    1,215,244.29/1,676,986.05 = 698,959.20/x
  3. Step 3: Cross multiply
    1,215,244.29x = 1,676,986.05 × 698,959.20
  4. Step 4: Simplify right side
    1,215,244.29x = 1,172,144,827,919.16
  5. Step 5: Solve for x
    x = 1,172,144,827,919.16/1,215,244.29
  6. Step 6: Final answer
    x = 964,534.32

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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.