Home / 1,691,686.83-2,536,516.88-538,435.25

Finding the Fourth Proportional to 1,691,686.83, 2,536,516.88 and 538,435.25

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Solution

The fourth proportional to 1,691,686.83, 2,536,516.88 and 538,435.25 is: 807,330.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,686.83 : 2,536,516.88 = 538,435.25 : x
  2. Step 2: Convert to fraction form
    1,691,686.83/2,536,516.88 = 538,435.25/x
  3. Step 3: Cross multiply
    1,691,686.83x = 2,536,516.88 × 538,435.25
  4. Step 4: Simplify right side
    1,691,686.83x = 1,365,750,085,037.26
  5. Step 5: Solve for x
    x = 1,365,750,085,037.26/1,691,686.83
  6. Step 6: Final answer
    x = 807,330.33

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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.