Home / 1,121,154.54-1,547,171.67-611,860.56

Finding the Fourth Proportional to 1,121,154.54, 1,547,171.67 and 611,860.56

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Solution

The fourth proportional to 1,121,154.54, 1,547,171.67 and 611,860.56 is: 844,355.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,154.54 : 1,547,171.67 = 611,860.56 : x
  2. Step 2: Convert to fraction form
    1,121,154.54/1,547,171.67 = 611,860.56/x
  3. Step 3: Cross multiply
    1,121,154.54x = 1,547,171.67 × 611,860.56
  4. Step 4: Simplify right side
    1,121,154.54x = 946,653,324,422.34
  5. Step 5: Solve for x
    x = 946,653,324,422.34/1,121,154.54
  6. Step 6: Final answer
    x = 844,355.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.