Home / 901,192.88-1,243,561.76-538,544.56

Finding the Fourth Proportional to 901,192.88, 1,243,561.76 and 538,544.56

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Solution

The fourth proportional to 901,192.88, 1,243,561.76 and 538,544.56 is: 743,141.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,192.88 : 1,243,561.76 = 538,544.56 : x
  2. Step 2: Convert to fraction form
    901,192.88/1,243,561.76 = 538,544.56/x
  3. Step 3: Cross multiply
    901,192.88x = 1,243,561.76 × 538,544.56
  4. Step 4: Simplify right side
    901,192.88x = 669,713,420,872.03
  5. Step 5: Solve for x
    x = 669,713,420,872.03/901,192.88
  6. Step 6: Final answer
    x = 743,141.05

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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.