Home / 1,013,519.24-1,398,561.30-686,166.32

Finding the Fourth Proportional to 1,013,519.24, 1,398,561.30 and 686,166.32

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Solution

The fourth proportional to 1,013,519.24, 1,398,561.30 and 686,166.32 is: 946,845.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,519.24 : 1,398,561.30 = 686,166.32 : x
  2. Step 2: Convert to fraction form
    1,013,519.24/1,398,561.30 = 686,166.32/x
  3. Step 3: Cross multiply
    1,013,519.24x = 1,398,561.30 × 686,166.32
  4. Step 4: Simplify right side
    1,013,519.24x = 959,645,660,515.42
  5. Step 5: Solve for x
    x = 959,645,660,515.42/1,013,519.24
  6. Step 6: Final answer
    x = 946,845.04

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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.