Home / 835,534.80-1,253,302.20-782,390.70

Finding the Fourth Proportional to 835,534.80, 1,253,302.20 and 782,390.70

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Solution

The fourth proportional to 835,534.80, 1,253,302.20 and 782,390.70 is: 1,173,586.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,534.80 : 1,253,302.20 = 782,390.70 : x
  2. Step 2: Convert to fraction form
    835,534.80/1,253,302.20 = 782,390.70/x
  3. Step 3: Cross multiply
    835,534.80x = 1,253,302.20 × 782,390.70
  4. Step 4: Simplify right side
    835,534.80x = 980,571,985,569.54
  5. Step 5: Solve for x
    x = 980,571,985,569.54/835,534.80
  6. Step 6: Final answer
    x = 1,173,586.05

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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.