Home / 1,021,069.14-1,531,832.13-311,152.74

Finding the Fourth Proportional to 1,021,069.14, 1,531,832.13 and 311,152.74

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Solution

The fourth proportional to 1,021,069.14, 1,531,832.13 and 311,152.74 is: 466,798.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,069.14 : 1,531,832.13 = 311,152.74 : x
  2. Step 2: Convert to fraction form
    1,021,069.14/1,531,832.13 = 311,152.74/x
  3. Step 3: Cross multiply
    1,021,069.14x = 1,531,832.13 × 311,152.74
  4. Step 4: Simplify right side
    1,021,069.14x = 476,633,764,469.54
  5. Step 5: Solve for x
    x = 476,633,764,469.54/1,021,069.14
  6. Step 6: Final answer
    x = 466,798.72

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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.