Home / 1,171,031.85-1,615,934.94-712,083.06

Finding the Fourth Proportional to 1,171,031.85, 1,615,934.94 and 712,083.06

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Solution

The fourth proportional to 1,171,031.85, 1,615,934.94 and 712,083.06 is: 982,620.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,031.85 : 1,615,934.94 = 712,083.06 : x
  2. Step 2: Convert to fraction form
    1,171,031.85/1,615,934.94 = 712,083.06/x
  3. Step 3: Cross multiply
    1,171,031.85x = 1,615,934.94 × 712,083.06
  4. Step 4: Simplify right side
    1,171,031.85x = 1,150,679,896,836.12
  5. Step 5: Solve for x
    x = 1,150,679,896,836.12/1,171,031.85
  6. Step 6: Final answer
    x = 982,620.50

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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.