Home / 769,540.59-1,061,944.29-430,008.84

Finding the Fourth Proportional to 769,540.59, 1,061,944.29 and 430,008.84

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Solution

The fourth proportional to 769,540.59, 1,061,944.29 and 430,008.84 is: 593,400.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,540.59 : 1,061,944.29 = 430,008.84 : x
  2. Step 2: Convert to fraction form
    769,540.59/1,061,944.29 = 430,008.84/x
  3. Step 3: Cross multiply
    769,540.59x = 1,061,944.29 × 430,008.84
  4. Step 4: Simplify right side
    769,540.59x = 456,645,432,287.52
  5. Step 5: Solve for x
    x = 456,645,432,287.52/769,540.59
  6. Step 6: Final answer
    x = 593,400.06

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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.