Home / 1,522,513.76-2,100,988.66-869,113.82

Finding the Fourth Proportional to 1,522,513.76, 2,100,988.66 and 869,113.82

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Solution

The fourth proportional to 1,522,513.76, 2,100,988.66 and 869,113.82 is: 1,199,331.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522,513.76 : 2,100,988.66 = 869,113.82 : x
  2. Step 2: Convert to fraction form
    1,522,513.76/2,100,988.66 = 869,113.82/x
  3. Step 3: Cross multiply
    1,522,513.76x = 2,100,988.66 × 869,113.82
  4. Step 4: Simplify right side
    1,522,513.76x = 1,825,998,269,564.34
  5. Step 5: Solve for x
    x = 1,825,998,269,564.34/1,522,513.76
  6. Step 6: Final answer
    x = 1,199,331.21

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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.