Home / 890,169.42-1,228,353.06-527,534.85

Finding the Fourth Proportional to 890,169.42, 1,228,353.06 and 527,534.85

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Solution

The fourth proportional to 890,169.42, 1,228,353.06 and 527,534.85 is: 727,950.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,169.42 : 1,228,353.06 = 527,534.85 : x
  2. Step 2: Convert to fraction form
    890,169.42/1,228,353.06 = 527,534.85/x
  3. Step 3: Cross multiply
    890,169.42x = 1,228,353.06 × 527,534.85
  4. Step 4: Simplify right side
    890,169.42x = 647,999,047,254.14
  5. Step 5: Solve for x
    x = 647,999,047,254.14/890,169.42
  6. Step 6: Final answer
    x = 727,950.24

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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.