Home / 755,120.10-1,042,089.93-432,891.30

Finding the Fourth Proportional to 755,120.10, 1,042,089.93 and 432,891.30

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Solution

The fourth proportional to 755,120.10, 1,042,089.93 and 432,891.30 is: 597,403.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,120.10 : 1,042,089.93 = 432,891.30 : x
  2. Step 2: Convert to fraction form
    755,120.10/1,042,089.93 = 432,891.30/x
  3. Step 3: Cross multiply
    755,120.10x = 1,042,089.93 × 432,891.30
  4. Step 4: Simplify right side
    755,120.10x = 451,111,664,514.61
  5. Step 5: Solve for x
    x = 451,111,664,514.61/755,120.10
  6. Step 6: Final answer
    x = 597,403.86

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1.5x scale

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.