Home / 641,450.04-884,616.24-550,777.56

Finding the Fourth Proportional to 641,450.04, 884,616.24 and 550,777.56

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Solution

The fourth proportional to 641,450.04, 884,616.24 and 550,777.56 is: 759,570.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,450.04 : 884,616.24 = 550,777.56 : x
  2. Step 2: Convert to fraction form
    641,450.04/884,616.24 = 550,777.56/x
  3. Step 3: Cross multiply
    641,450.04x = 884,616.24 × 550,777.56
  4. Step 4: Simplify right side
    641,450.04x = 487,226,774,203.57
  5. Step 5: Solve for x
    x = 487,226,774,203.57/641,450.04
  6. Step 6: Final answer
    x = 759,570.88

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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.