Home / 864,257.80-1,296,386.70-580,822.60

Finding the Fourth Proportional to 864,257.80, 1,296,386.70 and 580,822.60

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Solution

The fourth proportional to 864,257.80, 1,296,386.70 and 580,822.60 is: 871,233.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,257.80 : 1,296,386.70 = 580,822.60 : x
  2. Step 2: Convert to fraction form
    864,257.80/1,296,386.70 = 580,822.60/x
  3. Step 3: Cross multiply
    864,257.80x = 1,296,386.70 × 580,822.60
  4. Step 4: Simplify right side
    864,257.80x = 752,970,693,699.42
  5. Step 5: Solve for x
    x = 752,970,693,699.42/864,257.80
  6. Step 6: Final answer
    x = 871,233.90

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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.