Home / 1,752,209.80-2,628,401.10-912,401.80

Finding the Fourth Proportional to 1,752,209.80, 2,628,401.10 and 912,401.80

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Solution

The fourth proportional to 1,752,209.80, 2,628,401.10 and 912,401.80 is: 1,368,647.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752,209.80 : 2,628,401.10 = 912,401.80 : x
  2. Step 2: Convert to fraction form
    1,752,209.80/2,628,401.10 = 912,401.80/x
  3. Step 3: Cross multiply
    1,752,209.80x = 2,628,401.10 × 912,401.80
  4. Step 4: Simplify right side
    1,752,209.80x = 2,398,157,894,761.98
  5. Step 5: Solve for x
    x = 2,398,157,894,761.98/1,752,209.80
  6. Step 6: Final answer
    x = 1,368,647.69

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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.