Home / 440,779.64-661,418.57-188,036.24

Finding the Fourth Proportional to 440,779.64, 661,418.57 and 188,036.24

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Solution

The fourth proportional to 440,779.64, 661,418.57 and 188,036.24 is: 282,160.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,779.64 : 661,418.57 = 188,036.24 : x
  2. Step 2: Convert to fraction form
    440,779.64/661,418.57 = 188,036.24/x
  3. Step 3: Cross multiply
    440,779.64x = 661,418.57 × 188,036.24
  4. Step 4: Simplify right side
    440,779.64x = 124,370,663,092.61
  5. Step 5: Solve for x
    x = 124,370,663,092.61/440,779.64
  6. Step 6: Final answer
    x = 282,160.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.