Home / 1,591,322.48-2,196,071.70-866,217.50

Finding the Fourth Proportional to 1,591,322.48, 2,196,071.70 and 866,217.50

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Solution

The fourth proportional to 1,591,322.48, 2,196,071.70 and 866,217.50 is: 1,195,405.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,322.48 : 2,196,071.70 = 866,217.50 : x
  2. Step 2: Convert to fraction form
    1,591,322.48/2,196,071.70 = 866,217.50/x
  3. Step 3: Cross multiply
    1,591,322.48x = 2,196,071.70 × 866,217.50
  4. Step 4: Simplify right side
    1,591,322.48x = 1,902,275,737,794.75
  5. Step 5: Solve for x
    x = 1,902,275,737,794.75/1,591,322.48
  6. Step 6: Final answer
    x = 1,195,405.56

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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.