Home / 1,198,354.52-1,653,720.37-654,490.55

Finding the Fourth Proportional to 1,198,354.52, 1,653,720.37 and 654,490.55

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Solution

The fourth proportional to 1,198,354.52, 1,653,720.37 and 654,490.55 is: 903,192.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,354.52 : 1,653,720.37 = 654,490.55 : x
  2. Step 2: Convert to fraction form
    1,198,354.52/1,653,720.37 = 654,490.55/x
  3. Step 3: Cross multiply
    1,198,354.52x = 1,653,720.37 × 654,490.55
  4. Step 4: Simplify right side
    1,198,354.52x = 1,082,344,357,005.58
  5. Step 5: Solve for x
    x = 1,082,344,357,005.58/1,198,354.52
  6. Step 6: Final answer
    x = 903,192.12

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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.