Home / 864,190.10-1,296,285.15-565,591.70

Finding the Fourth Proportional to 864,190.10, 1,296,285.15 and 565,591.70

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Solution

The fourth proportional to 864,190.10, 1,296,285.15 and 565,591.70 is: 848,387.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,190.10 : 1,296,285.15 = 565,591.70 : x
  2. Step 2: Convert to fraction form
    864,190.10/1,296,285.15 = 565,591.70/x
  3. Step 3: Cross multiply
    864,190.10x = 1,296,285.15 × 565,591.70
  4. Step 4: Simplify right side
    864,190.10x = 733,168,121,673.26
  5. Step 5: Solve for x
    x = 733,168,121,673.26/864,190.10
  6. Step 6: Final answer
    x = 848,387.55

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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.