Home / 810,024.97-1,117,788.14-483,706.20

Finding the Fourth Proportional to 810,024.97, 1,117,788.14 and 483,706.20

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Solution

The fourth proportional to 810,024.97, 1,117,788.14 and 483,706.20 is: 667,486.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,024.97 : 1,117,788.14 = 483,706.20 : x
  2. Step 2: Convert to fraction form
    810,024.97/1,117,788.14 = 483,706.20/x
  3. Step 3: Cross multiply
    810,024.97x = 1,117,788.14 × 483,706.20
  4. Step 4: Simplify right side
    810,024.97x = 540,681,053,604.47
  5. Step 5: Solve for x
    x = 540,681,053,604.47/810,024.97
  6. Step 6: Final answer
    x = 667,486.90

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1.5x scale

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.