Home / 762,561.27-1,052,335.53-423,029.52

Finding the Fourth Proportional to 762,561.27, 1,052,335.53 and 423,029.52

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Solution

The fourth proportional to 762,561.27, 1,052,335.53 and 423,029.52 is: 583,781.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,561.27 : 1,052,335.53 = 423,029.52 : x
  2. Step 2: Convert to fraction form
    762,561.27/1,052,335.53 = 423,029.52/x
  3. Step 3: Cross multiply
    762,561.27x = 1,052,335.53 × 423,029.52
  4. Step 4: Simplify right side
    762,561.27x = 445,168,994,134.85
  5. Step 5: Solve for x
    x = 445,168,994,134.85/762,561.27
  6. Step 6: Final answer
    x = 583,781.28

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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.