Home / 888,143.98-1,225,564.65-500,938.06

Finding the Fourth Proportional to 888,143.98, 1,225,564.65 and 500,938.06

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Solution

The fourth proportional to 888,143.98, 1,225,564.65 and 500,938.06 is: 691,252.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,143.98 : 1,225,564.65 = 500,938.06 : x
  2. Step 2: Convert to fraction form
    888,143.98/1,225,564.65 = 500,938.06/x
  3. Step 3: Cross multiply
    888,143.98x = 1,225,564.65 × 500,938.06
  4. Step 4: Simplify right side
    888,143.98x = 613,931,978,175.58
  5. Step 5: Solve for x
    x = 613,931,978,175.58/888,143.98
  6. Step 6: Final answer
    x = 691,252.76

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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.