Home / 923,788.80-1,273,708.80-709,171.20

Finding the Fourth Proportional to 923,788.80, 1,273,708.80 and 709,171.20

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Solution

The fourth proportional to 923,788.80, 1,273,708.80 and 709,171.20 is: 977,796.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,788.80 : 1,273,708.80 = 709,171.20 : x
  2. Step 2: Convert to fraction form
    923,788.80/1,273,708.80 = 709,171.20/x
  3. Step 3: Cross multiply
    923,788.80x = 1,273,708.80 × 709,171.20
  4. Step 4: Simplify right side
    923,788.80x = 903,277,598,146.56
  5. Step 5: Solve for x
    x = 903,277,598,146.56/923,788.80
  6. Step 6: Final answer
    x = 977,796.65

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1.5x scale

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.