Home / 923,209.06-1,274,072.52-520,801.06

Finding the Fourth Proportional to 923,209.06, 1,274,072.52 and 520,801.06

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Solution

The fourth proportional to 923,209.06, 1,274,072.52 and 520,801.06 is: 718,730.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,209.06 : 1,274,072.52 = 520,801.06 : x
  2. Step 2: Convert to fraction form
    923,209.06/1,274,072.52 = 520,801.06/x
  3. Step 3: Cross multiply
    923,209.06x = 1,274,072.52 × 520,801.06
  4. Step 4: Simplify right side
    923,209.06x = 663,538,318,932.87
  5. Step 5: Solve for x
    x = 663,538,318,932.87/923,209.06
  6. Step 6: Final answer
    x = 718,730.29

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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.