Home / 890,225.53-1,228,372.46-527,590.85

Finding the Fourth Proportional to 890,225.53, 1,228,372.46 and 527,590.85

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Solution

The fourth proportional to 890,225.53, 1,228,372.46 and 527,590.85 is: 727,993.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,225.53 : 1,228,372.46 = 527,590.85 : x
  2. Step 2: Convert to fraction form
    890,225.53/1,228,372.46 = 527,590.85/x
  3. Step 3: Cross multiply
    890,225.53x = 1,228,372.46 × 527,590.85
  4. Step 4: Simplify right side
    890,225.53x = 648,078,076,691.33
  5. Step 5: Solve for x
    x = 648,078,076,691.33/890,225.53
  6. Step 6: Final answer
    x = 727,993.14

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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.