Home / 679,584.48-1,017,158.24-499,622.56

Finding the Fourth Proportional to 679,584.48, 1,017,158.24 and 499,622.56

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Solution

The fourth proportional to 679,584.48, 1,017,158.24 and 499,622.56 is: 747,802.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,584.48 : 1,017,158.24 = 499,622.56 : x
  2. Step 2: Convert to fraction form
    679,584.48/1,017,158.24 = 499,622.56/x
  3. Step 3: Cross multiply
    679,584.48x = 1,017,158.24 × 499,622.56
  4. Step 4: Simplify right side
    679,584.48x = 508,195,203,793.89
  5. Step 5: Solve for x
    x = 508,195,203,793.89/679,584.48
  6. Step 6: Final answer
    x = 747,802.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.