Home / 928,874.40-1,389,625.20-805,584.80

Finding the Fourth Proportional to 928,874.40, 1,389,625.20 and 805,584.80

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Solution

The fourth proportional to 928,874.40, 1,389,625.20 and 805,584.80 is: 1,205,180.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,874.40 : 1,389,625.20 = 805,584.80 : x
  2. Step 2: Convert to fraction form
    928,874.40/1,389,625.20 = 805,584.80/x
  3. Step 3: Cross multiply
    928,874.40x = 1,389,625.20 × 805,584.80
  4. Step 4: Simplify right side
    928,874.40x = 1,119,460,938,816.96
  5. Step 5: Solve for x
    x = 1,119,460,938,816.96/928,874.40
  6. Step 6: Final answer
    x = 1,205,180.10

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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.