Home / 693,374.40-1,040,061.60-587,086.20

Finding the Fourth Proportional to 693,374.40, 1,040,061.60 and 587,086.20

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Solution

The fourth proportional to 693,374.40, 1,040,061.60 and 587,086.20 is: 880,629.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,374.40 : 1,040,061.60 = 587,086.20 : x
  2. Step 2: Convert to fraction form
    693,374.40/1,040,061.60 = 587,086.20/x
  3. Step 3: Cross multiply
    693,374.40x = 1,040,061.60 × 587,086.20
  4. Step 4: Simplify right side
    693,374.40x = 610,605,812,509.92
  5. Step 5: Solve for x
    x = 610,605,812,509.92/693,374.40
  6. Step 6: Final answer
    x = 880,629.30

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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.