Home / 890,521.05-1,228,980.54-541,797.54

Finding the Fourth Proportional to 890,521.05, 1,228,980.54 and 541,797.54

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Solution

The fourth proportional to 890,521.05, 1,228,980.54 and 541,797.54 is: 747,718.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,521.05 : 1,228,980.54 = 541,797.54 : x
  2. Step 2: Convert to fraction form
    890,521.05/1,228,980.54 = 541,797.54/x
  3. Step 3: Cross multiply
    890,521.05x = 1,228,980.54 × 541,797.54
  4. Step 4: Simplify right side
    890,521.05x = 665,858,633,279.87
  5. Step 5: Solve for x
    x = 665,858,633,279.87/890,521.05
  6. Step 6: Final answer
    x = 747,718.02

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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.