Home / 583,657.40-876,142.20-451,125.20

Finding the Fourth Proportional to 583,657.40, 876,142.20 and 451,125.20

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Solution

The fourth proportional to 583,657.40, 876,142.20 and 451,125.20 is: 677,194.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,657.40 : 876,142.20 = 451,125.20 : x
  2. Step 2: Convert to fraction form
    583,657.40/876,142.20 = 451,125.20/x
  3. Step 3: Cross multiply
    583,657.40x = 876,142.20 × 451,125.20
  4. Step 4: Simplify right side
    583,657.40x = 395,249,825,203.44
  5. Step 5: Solve for x
    x = 395,249,825,203.44/583,657.40
  6. Step 6: Final answer
    x = 677,194.92

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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.