Home / 1,532,965.84-2,115,558.24-853,902.64

Finding the Fourth Proportional to 1,532,965.84, 2,115,558.24 and 853,902.64

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Solution

The fourth proportional to 1,532,965.84, 2,115,558.24 and 853,902.64 is: 1,178,422.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532,965.84 : 2,115,558.24 = 853,902.64 : x
  2. Step 2: Convert to fraction form
    1,532,965.84/2,115,558.24 = 853,902.64/x
  3. Step 3: Cross multiply
    1,532,965.84x = 2,115,558.24 × 853,902.64
  4. Step 4: Simplify right side
    1,532,965.84x = 1,806,480,766,209.75
  5. Step 5: Solve for x
    x = 1,806,480,766,209.75/1,532,965.84
  6. Step 6: Final answer
    x = 1,178,422.06

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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.