Home / 1,031,448.12-1,547,182.82-311,795.73

Finding the Fourth Proportional to 1,031,448.12, 1,547,182.82 and 311,795.73

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Solution

The fourth proportional to 1,031,448.12, 1,547,182.82 and 311,795.73 is: 467,696.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,448.12 : 1,547,182.82 = 311,795.73 : x
  2. Step 2: Convert to fraction form
    1,031,448.12/1,547,182.82 = 311,795.73/x
  3. Step 3: Cross multiply
    1,031,448.12x = 1,547,182.82 × 311,795.73
  4. Step 4: Simplify right side
    1,031,448.12x = 482,404,996,805.36
  5. Step 5: Solve for x
    x = 482,404,996,805.36/1,031,448.12
  6. Step 6: Final answer
    x = 467,696.81

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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.