Home / 779,231.60-1,168,847.40-655,228.70

Finding the Fourth Proportional to 779,231.60, 1,168,847.40 and 655,228.70

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Solution

The fourth proportional to 779,231.60, 1,168,847.40 and 655,228.70 is: 982,843.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,231.60 : 1,168,847.40 = 655,228.70 : x
  2. Step 2: Convert to fraction form
    779,231.60/1,168,847.40 = 655,228.70/x
  3. Step 3: Cross multiply
    779,231.60x = 1,168,847.40 × 655,228.70
  4. Step 4: Simplify right side
    779,231.60x = 765,862,362,400.38
  5. Step 5: Solve for x
    x = 765,862,362,400.38/779,231.60
  6. Step 6: Final answer
    x = 982,843.05

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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.