Home / 1,197,981.87-1,653,223.05-654,121.47

Finding the Fourth Proportional to 1,197,981.87, 1,653,223.05 and 654,121.47

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Solution

The fourth proportional to 1,197,981.87, 1,653,223.05 and 654,121.47 is: 902,692.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,981.87 : 1,653,223.05 = 654,121.47 : x
  2. Step 2: Convert to fraction form
    1,197,981.87/1,653,223.05 = 654,121.47/x
  3. Step 3: Cross multiply
    1,197,981.87x = 1,653,223.05 × 654,121.47
  4. Step 4: Simplify right side
    1,197,981.87x = 1,081,408,691,703.88
  5. Step 5: Solve for x
    x = 1,081,408,691,703.88/1,197,981.87
  6. Step 6: Final answer
    x = 902,692.03

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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.