Home / 1,129,252.65-1,558,371.26-619,987.83

Finding the Fourth Proportional to 1,129,252.65, 1,558,371.26 and 619,987.83

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Solution

The fourth proportional to 1,129,252.65, 1,558,371.26 and 619,987.83 is: 855,584.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,252.65 : 1,558,371.26 = 619,987.83 : x
  2. Step 2: Convert to fraction form
    1,129,252.65/1,558,371.26 = 619,987.83/x
  3. Step 3: Cross multiply
    1,129,252.65x = 1,558,371.26 × 619,987.83
  4. Step 4: Simplify right side
    1,129,252.65x = 966,171,212,721.83
  5. Step 5: Solve for x
    x = 966,171,212,721.83/1,129,252.65
  6. Step 6: Final answer
    x = 855,584.63

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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.