Home / 825,497.80-1,238,246.70-542,062.60

Finding the Fourth Proportional to 825,497.80, 1,238,246.70 and 542,062.60

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Solution

The fourth proportional to 825,497.80, 1,238,246.70 and 542,062.60 is: 813,093.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,497.80 : 1,238,246.70 = 542,062.60 : x
  2. Step 2: Convert to fraction form
    825,497.80/1,238,246.70 = 542,062.60/x
  3. Step 3: Cross multiply
    825,497.80x = 1,238,246.70 × 542,062.60
  4. Step 4: Simplify right side
    825,497.80x = 671,207,225,643.42
  5. Step 5: Solve for x
    x = 671,207,225,643.42/825,497.80
  6. Step 6: Final answer
    x = 813,093.90

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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.