Home / 1,102,196.64-1,520,850.24-649,426.08

Finding the Fourth Proportional to 1,102,196.64, 1,520,850.24 and 649,426.08

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Solution

The fourth proportional to 1,102,196.64, 1,520,850.24 and 649,426.08 is: 896,101.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,196.64 : 1,520,850.24 = 649,426.08 : x
  2. Step 2: Convert to fraction form
    1,102,196.64/1,520,850.24 = 649,426.08/x
  3. Step 3: Cross multiply
    1,102,196.64x = 1,520,850.24 × 649,426.08
  4. Step 4: Simplify right side
    1,102,196.64x = 987,679,809,630.26
  5. Step 5: Solve for x
    x = 987,679,809,630.26/1,102,196.64
  6. Step 6: Final answer
    x = 896,101.27

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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.