Home / 993,635.40-1,489,724.10-394,300.20

Finding the Fourth Proportional to 993,635.40, 1,489,724.10 and 394,300.20

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Solution

The fourth proportional to 993,635.40, 1,489,724.10 and 394,300.20 is: 591,161.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,635.40 : 1,489,724.10 = 394,300.20 : x
  2. Step 2: Convert to fraction form
    993,635.40/1,489,724.10 = 394,300.20/x
  3. Step 3: Cross multiply
    993,635.40x = 1,489,724.10 × 394,300.20
  4. Step 4: Simplify right side
    993,635.40x = 587,398,510,574.82
  5. Step 5: Solve for x
    x = 587,398,510,574.82/993,635.40
  6. Step 6: Final answer
    x = 591,161.01

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Double scale
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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.