Home / 968,901.60-1,453,352.40-495,429.60

Finding the Fourth Proportional to 968,901.60, 1,453,352.40 and 495,429.60

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Solution

The fourth proportional to 968,901.60, 1,453,352.40 and 495,429.60 is: 743,144.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,901.60 : 1,453,352.40 = 495,429.60 : x
  2. Step 2: Convert to fraction form
    968,901.60/1,453,352.40 = 495,429.60/x
  3. Step 3: Cross multiply
    968,901.60x = 1,453,352.40 × 495,429.60
  4. Step 4: Simplify right side
    968,901.60x = 720,033,798,191.04
  5. Step 5: Solve for x
    x = 720,033,798,191.04/968,901.60
  6. Step 6: Final answer
    x = 743,144.40

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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.