Home / 865,716.10-1,298,574.15-567,117.70

Finding the Fourth Proportional to 865,716.10, 1,298,574.15 and 567,117.70

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Solution

The fourth proportional to 865,716.10, 1,298,574.15 and 567,117.70 is: 850,676.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,716.10 : 1,298,574.15 = 567,117.70 : x
  2. Step 2: Convert to fraction form
    865,716.10/1,298,574.15 = 567,117.70/x
  3. Step 3: Cross multiply
    865,716.10x = 1,298,574.15 × 567,117.70
  4. Step 4: Simplify right side
    865,716.10x = 736,444,385,227.46
  5. Step 5: Solve for x
    x = 736,444,385,227.46/865,716.10
  6. Step 6: Final answer
    x = 850,676.55

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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.