Home / 859,351.44-1,185,938.64-587,988.48

Finding the Fourth Proportional to 859,351.44, 1,185,938.64 and 587,988.48

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Solution

The fourth proportional to 859,351.44, 1,185,938.64 and 587,988.48 is: 811,447.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,351.44 : 1,185,938.64 = 587,988.48 : x
  2. Step 2: Convert to fraction form
    859,351.44/1,185,938.64 = 587,988.48/x
  3. Step 3: Cross multiply
    859,351.44x = 1,185,938.64 × 587,988.48
  4. Step 4: Simplify right side
    859,351.44x = 697,318,258,306.87
  5. Step 5: Solve for x
    x = 697,318,258,306.87/859,351.44
  6. Step 6: Final answer
    x = 811,447.13

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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.