Home / 1,113,176.88-1,669,834.80-314,519.76

Finding the Fourth Proportional to 1,113,176.88, 1,669,834.80 and 314,519.76

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Solution

The fourth proportional to 1,113,176.88, 1,669,834.80 and 314,519.76 is: 471,799.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,176.88 : 1,669,834.80 = 314,519.76 : x
  2. Step 2: Convert to fraction form
    1,113,176.88/1,669,834.80 = 314,519.76/x
  3. Step 3: Cross multiply
    1,113,176.88x = 1,669,834.80 × 314,519.76
  4. Step 4: Simplify right side
    1,113,176.88x = 525,196,040,535.65
  5. Step 5: Solve for x
    x = 525,196,040,535.65/1,113,176.88
  6. Step 6: Final answer
    x = 471,799.27

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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.