Home / 747,617.40-1,121,426.10-546,850.80

Finding the Fourth Proportional to 747,617.40, 1,121,426.10 and 546,850.80

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Solution

The fourth proportional to 747,617.40, 1,121,426.10 and 546,850.80 is: 820,276.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,617.40 : 1,121,426.10 = 546,850.80 : x
  2. Step 2: Convert to fraction form
    747,617.40/1,121,426.10 = 546,850.80/x
  3. Step 3: Cross multiply
    747,617.40x = 1,121,426.10 × 546,850.80
  4. Step 4: Simplify right side
    747,617.40x = 613,252,759,925.88
  5. Step 5: Solve for x
    x = 613,252,759,925.88/747,617.40
  6. Step 6: Final answer
    x = 820,276.20

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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.