Home / 741,362.80-1,023,069.54-419,061.58

Finding the Fourth Proportional to 741,362.80, 1,023,069.54 and 419,061.58

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Solution

The fourth proportional to 741,362.80, 1,023,069.54 and 419,061.58 is: 578,298.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,362.80 : 1,023,069.54 = 419,061.58 : x
  2. Step 2: Convert to fraction form
    741,362.80/1,023,069.54 = 419,061.58/x
  3. Step 3: Cross multiply
    741,362.80x = 1,023,069.54 × 419,061.58
  4. Step 4: Simplify right side
    741,362.80x = 428,729,137,882.27
  5. Step 5: Solve for x
    x = 428,729,137,882.27/741,362.80
  6. Step 6: Final answer
    x = 578,298.69

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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.