Home / 734,010.70-1,101,016.06-521,434.30

Finding the Fourth Proportional to 734,010.70, 1,101,016.06 and 521,434.30

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Solution

The fourth proportional to 734,010.70, 1,101,016.06 and 521,434.30 is: 782,151.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,010.70 : 1,101,016.06 = 521,434.30 : x
  2. Step 2: Convert to fraction form
    734,010.70/1,101,016.06 = 521,434.30/x
  3. Step 3: Cross multiply
    734,010.70x = 1,101,016.06 × 521,434.30
  4. Step 4: Simplify right side
    734,010.70x = 574,107,538,534.86
  5. Step 5: Solve for x
    x = 574,107,538,534.86/734,010.70
  6. Step 6: Final answer
    x = 782,151.46

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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.