Home / 1,211,929.26-1,672,387.24-668,036.94

Finding the Fourth Proportional to 1,211,929.26, 1,672,387.24 and 668,036.94

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Solution

The fourth proportional to 1,211,929.26, 1,672,387.24 and 668,036.94 is: 921,849.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,929.26 : 1,672,387.24 = 668,036.94 : x
  2. Step 2: Convert to fraction form
    1,211,929.26/1,672,387.24 = 668,036.94/x
  3. Step 3: Cross multiply
    1,211,929.26x = 1,672,387.24 × 668,036.94
  4. Step 4: Simplify right side
    1,211,929.26x = 1,117,216,454,304.65
  5. Step 5: Solve for x
    x = 1,117,216,454,304.65/1,211,929.26
  6. Step 6: Final answer
    x = 921,849.56

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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.