Home / 510,583.25-704,599.07-281,135.76

Finding the Fourth Proportional to 510,583.25, 704,599.07 and 281,135.76

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Solution

The fourth proportional to 510,583.25, 704,599.07 and 281,135.76 is: 387,964.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,583.25 : 704,599.07 = 281,135.76 : x
  2. Step 2: Convert to fraction form
    510,583.25/704,599.07 = 281,135.76/x
  3. Step 3: Cross multiply
    510,583.25x = 704,599.07 × 281,135.76
  4. Step 4: Simplify right side
    510,583.25x = 198,087,993,634.06
  5. Step 5: Solve for x
    x = 198,087,993,634.06/510,583.25
  6. Step 6: Final answer
    x = 387,964.15

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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.