Home / 1,691,876.16-2,537,930.88-493,808.40

Finding the Fourth Proportional to 1,691,876.16, 2,537,930.88 and 493,808.40

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Solution

The fourth proportional to 1,691,876.16, 2,537,930.88 and 493,808.40 is: 740,746.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,876.16 : 2,537,930.88 = 493,808.40 : x
  2. Step 2: Convert to fraction form
    1,691,876.16/2,537,930.88 = 493,808.40/x
  3. Step 3: Cross multiply
    1,691,876.16x = 2,537,930.88 × 493,808.40
  4. Step 4: Simplify right side
    1,691,876.16x = 1,253,251,587,163.39
  5. Step 5: Solve for x
    x = 1,253,251,587,163.39/1,691,876.16
  6. Step 6: Final answer
    x = 740,746.64

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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.