Home / 1,216,322.24-1,678,791.16-707,318.24

Finding the Fourth Proportional to 1,216,322.24, 1,678,791.16 and 707,318.24

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Solution

The fourth proportional to 1,216,322.24, 1,678,791.16 and 707,318.24 is: 976,254.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,322.24 : 1,678,791.16 = 707,318.24 : x
  2. Step 2: Convert to fraction form
    1,216,322.24/1,678,791.16 = 707,318.24/x
  3. Step 3: Cross multiply
    1,216,322.24x = 1,678,791.16 × 707,318.24
  4. Step 4: Simplify right side
    1,216,322.24x = 1,187,439,608,618.76
  5. Step 5: Solve for x
    x = 1,187,439,608,618.76/1,216,322.24
  6. Step 6: Final answer
    x = 976,254.13

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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.