Home / 1,096,099.59-1,512,616.91-643,390.59

Finding the Fourth Proportional to 1,096,099.59, 1,512,616.91 and 643,390.59

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Solution

The fourth proportional to 1,096,099.59, 1,512,616.91 and 643,390.59 is: 887,878.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096,099.59 : 1,512,616.91 = 643,390.59 : x
  2. Step 2: Convert to fraction form
    1,096,099.59/1,512,616.91 = 643,390.59/x
  3. Step 3: Cross multiply
    1,096,099.59x = 1,512,616.91 × 643,390.59
  4. Step 4: Simplify right side
    1,096,099.59x = 973,203,482,951.92
  5. Step 5: Solve for x
    x = 973,203,482,951.92/1,096,099.59
  6. Step 6: Final answer
    x = 887,878.70

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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.