Home / 711,014.70-1,066,522.05-522,057.90

Finding the Fourth Proportional to 711,014.70, 1,066,522.05 and 522,057.90

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Solution

The fourth proportional to 711,014.70, 1,066,522.05 and 522,057.90 is: 783,086.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,014.70 : 1,066,522.05 = 522,057.90 : x
  2. Step 2: Convert to fraction form
    711,014.70/1,066,522.05 = 522,057.90/x
  3. Step 3: Cross multiply
    711,014.70x = 1,066,522.05 × 522,057.90
  4. Step 4: Simplify right side
    711,014.70x = 556,786,261,726.70
  5. Step 5: Solve for x
    x = 556,786,261,726.70/711,014.70
  6. Step 6: Final answer
    x = 783,086.85

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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.