Home / 744,710.60-1,117,065.90-446,112.20

Finding the Fourth Proportional to 744,710.60, 1,117,065.90 and 446,112.20

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Solution

The fourth proportional to 744,710.60, 1,117,065.90 and 446,112.20 is: 669,168.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,710.60 : 1,117,065.90 = 446,112.20 : x
  2. Step 2: Convert to fraction form
    744,710.60/1,117,065.90 = 446,112.20/x
  3. Step 3: Cross multiply
    744,710.60x = 1,117,065.90 × 446,112.20
  4. Step 4: Simplify right side
    744,710.60x = 498,336,726,193.98
  5. Step 5: Solve for x
    x = 498,336,726,193.98/744,710.60
  6. Step 6: Final answer
    x = 669,168.30

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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.