Home / 906,700.59-1,251,197.39-498,736.57

Finding the Fourth Proportional to 906,700.59, 1,251,197.39 and 498,736.57

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Solution

The fourth proportional to 906,700.59, 1,251,197.39 and 498,736.57 is: 688,229.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,700.59 : 1,251,197.39 = 498,736.57 : x
  2. Step 2: Convert to fraction form
    906,700.59/1,251,197.39 = 498,736.57/x
  3. Step 3: Cross multiply
    906,700.59x = 1,251,197.39 × 498,736.57
  4. Step 4: Simplify right side
    906,700.59x = 624,017,890,306.72
  5. Step 5: Solve for x
    x = 624,017,890,306.72/906,700.59
  6. Step 6: Final answer
    x = 688,229.28

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.