Home / 1,591,022.85-2,195,569.40-865,855.02

Finding the Fourth Proportional to 1,591,022.85, 2,195,569.40 and 865,855.02

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Solution

The fourth proportional to 1,591,022.85, 2,195,569.40 and 865,855.02 is: 1,194,857.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,022.85 : 2,195,569.40 = 865,855.02 : x
  2. Step 2: Convert to fraction form
    1,591,022.85/2,195,569.40 = 865,855.02/x
  3. Step 3: Cross multiply
    1,591,022.85x = 2,195,569.40 × 865,855.02
  4. Step 4: Simplify right side
    1,591,022.85x = 1,901,044,782,419.11
  5. Step 5: Solve for x
    x = 1,901,044,782,419.11/1,591,022.85
  6. Step 6: Final answer
    x = 1,194,857.00

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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.