Home / 739,909.20-1,110,382.20-474,315.60

Finding the Fourth Proportional to 739,909.20, 1,110,382.20 and 474,315.60

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Solution

The fourth proportional to 739,909.20, 1,110,382.20 and 474,315.60 is: 711,805.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,909.20 : 1,110,382.20 = 474,315.60 : x
  2. Step 2: Convert to fraction form
    739,909.20/1,110,382.20 = 474,315.60/x
  3. Step 3: Cross multiply
    739,909.20x = 1,110,382.20 × 474,315.60
  4. Step 4: Simplify right side
    739,909.20x = 526,671,599,422.32
  5. Step 5: Solve for x
    x = 526,671,599,422.32/739,909.20
  6. Step 6: Final answer
    x = 711,805.72

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1.5x scale

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.