Home / 826,823.70-1,240,235.55-574,881.30

Finding the Fourth Proportional to 826,823.70, 1,240,235.55 and 574,881.30

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Solution

The fourth proportional to 826,823.70, 1,240,235.55 and 574,881.30 is: 862,321.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,823.70 : 1,240,235.55 = 574,881.30 : x
  2. Step 2: Convert to fraction form
    826,823.70/1,240,235.55 = 574,881.30/x
  3. Step 3: Cross multiply
    826,823.70x = 1,240,235.55 × 574,881.30
  4. Step 4: Simplify right side
    826,823.70x = 712,988,225,290.22
  5. Step 5: Solve for x
    x = 712,988,225,290.22/826,823.70
  6. Step 6: Final answer
    x = 862,321.95

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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.