Home / 774,132.99-1,068,286.25-429,949.62

Finding the Fourth Proportional to 774,132.99, 1,068,286.25 and 429,949.62

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Solution

The fourth proportional to 774,132.99, 1,068,286.25 and 429,949.62 is: 593,320.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,132.99 : 1,068,286.25 = 429,949.62 : x
  2. Step 2: Convert to fraction form
    774,132.99/1,068,286.25 = 429,949.62/x
  3. Step 3: Cross multiply
    774,132.99x = 1,068,286.25 × 429,949.62
  4. Step 4: Simplify right side
    774,132.99x = 459,309,261,897.29
  5. Step 5: Solve for x
    x = 459,309,261,897.29/774,132.99
  6. Step 6: Final answer
    x = 593,320.87

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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.