Home / 1,298,033.20-1,947,049.80-456,475.60

Finding the Fourth Proportional to 1,298,033.20, 1,947,049.80 and 456,475.60

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Solution

The fourth proportional to 1,298,033.20, 1,947,049.80 and 456,475.60 is: 684,713.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,033.20 : 1,947,049.80 = 456,475.60 : x
  2. Step 2: Convert to fraction form
    1,298,033.20/1,947,049.80 = 456,475.60/x
  3. Step 3: Cross multiply
    1,298,033.20x = 1,947,049.80 × 456,475.60
  4. Step 4: Simplify right side
    1,298,033.20x = 888,780,725,684.88
  5. Step 5: Solve for x
    x = 888,780,725,684.88/1,298,033.20
  6. Step 6: Final answer
    x = 684,713.40

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Double scale
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Similar ratio
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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.