Home / 1,031,014.80-1,422,763.04-572,149.40

Finding the Fourth Proportional to 1,031,014.80, 1,422,763.04 and 572,149.40

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Solution

The fourth proportional to 1,031,014.80, 1,422,763.04 and 572,149.40 is: 789,545.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,014.80 : 1,422,763.04 = 572,149.40 : x
  2. Step 2: Convert to fraction form
    1,031,014.80/1,422,763.04 = 572,149.40/x
  3. Step 3: Cross multiply
    1,031,014.80x = 1,422,763.04 × 572,149.40
  4. Step 4: Simplify right side
    1,031,014.80x = 814,033,013,994.73
  5. Step 5: Solve for x
    x = 814,033,013,994.73/1,031,014.80
  6. Step 6: Final answer
    x = 789,545.42

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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.