Home / 1,689,610.52-2,533,393.73-663,712.58

Finding the Fourth Proportional to 1,689,610.52, 2,533,393.73 and 663,712.58

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Solution

The fourth proportional to 1,689,610.52, 2,533,393.73 and 663,712.58 is: 995,167.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,610.52 : 2,533,393.73 = 663,712.58 : x
  2. Step 2: Convert to fraction form
    1,689,610.52/2,533,393.73 = 663,712.58/x
  3. Step 3: Cross multiply
    1,689,610.52x = 2,533,393.73 × 663,712.58
  4. Step 4: Simplify right side
    1,689,610.52x = 1,681,445,296,686.89
  5. Step 5: Solve for x
    x = 1,681,445,296,686.89/1,689,610.52
  6. Step 6: Final answer
    x = 995,167.39

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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.