Home / 1,165,081.52-1,748,301.60-491,121.56

Finding the Fourth Proportional to 1,165,081.52, 1,748,301.60 and 491,121.56

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Solution

The fourth proportional to 1,165,081.52, 1,748,301.60 and 491,121.56 is: 736,968.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,081.52 : 1,748,301.60 = 491,121.56 : x
  2. Step 2: Convert to fraction form
    1,165,081.52/1,748,301.60 = 491,121.56/x
  3. Step 3: Cross multiply
    1,165,081.52x = 1,748,301.60 × 491,121.56
  4. Step 4: Simplify right side
    1,165,081.52x = 858,628,609,142.50
  5. Step 5: Solve for x
    x = 858,628,609,142.50/1,165,081.52
  6. Step 6: Final answer
    x = 736,968.70

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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.