Home / 682,318.80-1,023,478.20-577,342.80

Finding the Fourth Proportional to 682,318.80, 1,023,478.20 and 577,342.80

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Solution

The fourth proportional to 682,318.80, 1,023,478.20 and 577,342.80 is: 866,014.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,318.80 : 1,023,478.20 = 577,342.80 : x
  2. Step 2: Convert to fraction form
    682,318.80/1,023,478.20 = 577,342.80/x
  3. Step 3: Cross multiply
    682,318.80x = 1,023,478.20 × 577,342.80
  4. Step 4: Simplify right side
    682,318.80x = 590,897,769,726.96
  5. Step 5: Solve for x
    x = 590,897,769,726.96/682,318.80
  6. Step 6: Final answer
    x = 866,014.20

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Half scale
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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.