Home / 729,132.30-1,093,698.45-611,034.30

Finding the Fourth Proportional to 729,132.30, 1,093,698.45 and 611,034.30

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Solution

The fourth proportional to 729,132.30, 1,093,698.45 and 611,034.30 is: 916,551.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,132.30 : 1,093,698.45 = 611,034.30 : x
  2. Step 2: Convert to fraction form
    729,132.30/1,093,698.45 = 611,034.30/x
  3. Step 3: Cross multiply
    729,132.30x = 1,093,698.45 × 611,034.30
  4. Step 4: Simplify right side
    729,132.30x = 668,287,266,806.84
  5. Step 5: Solve for x
    x = 668,287,266,806.84/729,132.30
  6. Step 6: Final answer
    x = 916,551.45

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Half scale
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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.