Home / 1,117,611.11-1,676,743.30-359,435.59

Finding the Fourth Proportional to 1,117,611.11, 1,676,743.30 and 359,435.59

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Solution

The fourth proportional to 1,117,611.11, 1,676,743.30 and 359,435.59 is: 539,258.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,611.11 : 1,676,743.30 = 359,435.59 : x
  2. Step 2: Convert to fraction form
    1,117,611.11/1,676,743.30 = 359,435.59/x
  3. Step 3: Cross multiply
    1,117,611.11x = 1,676,743.30 × 359,435.59
  4. Step 4: Simplify right side
    1,117,611.11x = 602,681,217,314.05
  5. Step 5: Solve for x
    x = 602,681,217,314.05/1,117,611.11
  6. Step 6: Final answer
    x = 539,258.43

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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.