Home / 1,065,722.08-1,599,213.60-392,276.32

Finding the Fourth Proportional to 1,065,722.08, 1,599,213.60 and 392,276.32

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Solution

The fourth proportional to 1,065,722.08, 1,599,213.60 and 392,276.32 is: 588,646.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,722.08 : 1,599,213.60 = 392,276.32 : x
  2. Step 2: Convert to fraction form
    1,065,722.08/1,599,213.60 = 392,276.32/x
  3. Step 3: Cross multiply
    1,065,722.08x = 1,599,213.60 × 392,276.32
  4. Step 4: Simplify right side
    1,065,722.08x = 627,333,625,901.95
  5. Step 5: Solve for x
    x = 627,333,625,901.95/1,065,722.08
  6. Step 6: Final answer
    x = 588,646.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.