Home / 983,104.20-1,356,356.34-801,503.28

Finding the Fourth Proportional to 983,104.20, 1,356,356.34 and 801,503.28

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Solution

The fourth proportional to 983,104.20, 1,356,356.34 and 801,503.28 is: 1,105,807.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,104.20 : 1,356,356.34 = 801,503.28 : x
  2. Step 2: Convert to fraction form
    983,104.20/1,356,356.34 = 801,503.28/x
  3. Step 3: Cross multiply
    983,104.20x = 1,356,356.34 × 801,503.28
  4. Step 4: Simplify right side
    983,104.20x = 1,087,124,055,358.80
  5. Step 5: Solve for x
    x = 1,087,124,055,358.80/983,104.20
  6. Step 6: Final answer
    x = 1,105,807.56

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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.