Home / 755,032.64-1,132,557.92-256,435.52

Finding the Fourth Proportional to 755,032.64, 1,132,557.92 and 256,435.52

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Solution

The fourth proportional to 755,032.64, 1,132,557.92 and 256,435.52 is: 384,656.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,032.64 : 1,132,557.92 = 256,435.52 : x
  2. Step 2: Convert to fraction form
    755,032.64/1,132,557.92 = 256,435.52/x
  3. Step 3: Cross multiply
    755,032.64x = 1,132,557.92 × 256,435.52
  4. Step 4: Simplify right side
    755,032.64x = 290,428,079,145.32
  5. Step 5: Solve for x
    x = 290,428,079,145.32/755,032.64
  6. Step 6: Final answer
    x = 384,656.32

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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.