Home / 912,049.74-1,368,131-304,892.68

Finding the Fourth Proportional to 912,049.74, 1,368,131 and 304,892.68

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Solution

The fourth proportional to 912,049.74, 1,368,131 and 304,892.68 is: 457,357.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,049.74 : 1,368,131 = 304,892.68 : x
  2. Step 2: Convert to fraction form
    912,049.74/1,368,131 = 304,892.68/x
  3. Step 3: Cross multiply
    912,049.74x = 1,368,131 × 304,892.68
  4. Step 4: Simplify right side
    912,049.74x = 417,133,127,181.08
  5. Step 5: Solve for x
    x = 417,133,127,181.08/912,049.74
  6. Step 6: Final answer
    x = 457,357.87

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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.