Home / 1,532,676.75-2,115,159.53-853,613.25

Finding the Fourth Proportional to 1,532,676.75, 2,115,159.53 and 853,613.25

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Solution

The fourth proportional to 1,532,676.75, 2,115,159.53 and 853,613.25 is: 1,178,022.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532,676.75 : 2,115,159.53 = 853,613.25 : x
  2. Step 2: Convert to fraction form
    1,532,676.75/2,115,159.53 = 853,613.25/x
  3. Step 3: Cross multiply
    1,532,676.75x = 2,115,159.53 × 853,613.25
  4. Step 4: Simplify right side
    1,532,676.75x = 1,805,528,196,403.71
  5. Step 5: Solve for x
    x = 1,805,528,196,403.71/1,532,676.75
  6. Step 6: Final answer
    x = 1,178,022.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.