Home / 1,015,298.85-1,400,934.78-579,517.23

Finding the Fourth Proportional to 1,015,298.85, 1,400,934.78 and 579,517.23

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Solution

The fourth proportional to 1,015,298.85, 1,400,934.78 and 579,517.23 is: 799,632.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,298.85 : 1,400,934.78 = 579,517.23 : x
  2. Step 2: Convert to fraction form
    1,015,298.85/1,400,934.78 = 579,517.23/x
  3. Step 3: Cross multiply
    1,015,298.85x = 1,400,934.78 × 579,517.23
  4. Step 4: Simplify right side
    1,015,298.85x = 811,865,843,116.26
  5. Step 5: Solve for x
    x = 811,865,843,116.26/1,015,298.85
  6. Step 6: Final answer
    x = 799,632.39

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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.