Home / 750,901.80-1,125,854.55-414,103.80

Finding the Fourth Proportional to 750,901.80, 1,125,854.55 and 414,103.80

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Solution

The fourth proportional to 750,901.80, 1,125,854.55 and 414,103.80 is: 620,880.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,901.80 : 1,125,854.55 = 414,103.80 : x
  2. Step 2: Convert to fraction form
    750,901.80/1,125,854.55 = 414,103.80/x
  3. Step 3: Cross multiply
    750,901.80x = 1,125,854.55 × 414,103.80
  4. Step 4: Simplify right side
    750,901.80x = 466,220,647,402.29
  5. Step 5: Solve for x
    x = 466,220,647,402.29/750,901.80
  6. Step 6: Final answer
    x = 620,880.98

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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.