Home / 773,729.04-1,067,472.36-505,612.56

Finding the Fourth Proportional to 773,729.04, 1,067,472.36 and 505,612.56

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Solution

The fourth proportional to 773,729.04, 1,067,472.36 and 505,612.56 is: 697,566.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,729.04 : 1,067,472.36 = 505,612.56 : x
  2. Step 2: Convert to fraction form
    773,729.04/1,067,472.36 = 505,612.56/x
  3. Step 3: Cross multiply
    773,729.04x = 1,067,472.36 × 505,612.56
  4. Step 4: Simplify right side
    773,729.04x = 539,727,432,668.84
  5. Step 5: Solve for x
    x = 539,727,432,668.84/773,729.04
  6. Step 6: Final answer
    x = 697,566.47

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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.