Home / 729,259.80-1,006,352.28-457,474.02

Finding the Fourth Proportional to 729,259.80, 1,006,352.28 and 457,474.02

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Solution

The fourth proportional to 729,259.80, 1,006,352.28 and 457,474.02 is: 631,297.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,259.80 : 1,006,352.28 = 457,474.02 : x
  2. Step 2: Convert to fraction form
    729,259.80/1,006,352.28 = 457,474.02/x
  3. Step 3: Cross multiply
    729,259.80x = 1,006,352.28 × 457,474.02
  4. Step 4: Simplify right side
    729,259.80x = 460,380,023,067.77
  5. Step 5: Solve for x
    x = 460,380,023,067.77/729,259.80
  6. Step 6: Final answer
    x = 631,297.68

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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.