Home / 1,532,583.82-2,115,031.28-853,520.32

Finding the Fourth Proportional to 1,532,583.82, 2,115,031.28 and 853,520.32

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Solution

The fourth proportional to 1,532,583.82, 2,115,031.28 and 853,520.32 is: 1,177,894.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532,583.82 : 2,115,031.28 = 853,520.32 : x
  2. Step 2: Convert to fraction form
    1,532,583.82/2,115,031.28 = 853,520.32/x
  3. Step 3: Cross multiply
    1,532,583.82x = 2,115,031.28 × 853,520.32
  4. Step 4: Simplify right side
    1,532,583.82x = 1,805,222,174,915.61
  5. Step 5: Solve for x
    x = 1,805,222,174,915.61/1,532,583.82
  6. Step 6: Final answer
    x = 1,177,894.58

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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.