Home / 711,522.20-1,065,190.26-444,473.30

Finding the Fourth Proportional to 711,522.20, 1,065,190.26 and 444,473.30

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Solution

The fourth proportional to 711,522.20, 1,065,190.26 and 444,473.30 is: 665,402.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,522.20 : 1,065,190.26 = 444,473.30 : x
  2. Step 2: Convert to fraction form
    711,522.20/1,065,190.26 = 444,473.30/x
  3. Step 3: Cross multiply
    711,522.20x = 1,065,190.26 × 444,473.30
  4. Step 4: Simplify right side
    711,522.20x = 473,448,629,990.06
  5. Step 5: Solve for x
    x = 473,448,629,990.06/711,522.20
  6. Step 6: Final answer
    x = 665,402.47

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Double scale
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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.