Home / 741,729.60-1,112,594.40-668,246.40

Finding the Fourth Proportional to 741,729.60, 1,112,594.40 and 668,246.40

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Solution

The fourth proportional to 741,729.60, 1,112,594.40 and 668,246.40 is: 1,002,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,729.60 : 1,112,594.40 = 668,246.40 : x
  2. Step 2: Convert to fraction form
    741,729.60/1,112,594.40 = 668,246.40/x
  3. Step 3: Cross multiply
    741,729.60x = 1,112,594.40 × 668,246.40
  4. Step 4: Simplify right side
    741,729.60x = 743,487,202,460.16
  5. Step 5: Solve for x
    x = 743,487,202,460.16/741,729.60
  6. Step 6: Final answer
    x = 1,002,369.60

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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.