Home / 522,914.13-784,112.20-185,904.32

Finding the Fourth Proportional to 522,914.13, 784,112.20 and 185,904.32

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Solution

The fourth proportional to 522,914.13, 784,112.20 and 185,904.32 is: 278,764.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,914.13 : 784,112.20 = 185,904.32 : x
  2. Step 2: Convert to fraction form
    522,914.13/784,112.20 = 185,904.32/x
  3. Step 3: Cross multiply
    522,914.13x = 784,112.20 × 185,904.32
  4. Step 4: Simplify right side
    522,914.13x = 145,769,840,959.38
  5. Step 5: Solve for x
    x = 145,769,840,959.38/522,914.13
  6. Step 6: Final answer
    x = 278,764.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.