Home / 554,061.87-764,724.34-349,982.95

Finding the Fourth Proportional to 554,061.87, 764,724.34 and 349,982.95

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Solution

The fourth proportional to 554,061.87, 764,724.34 and 349,982.95 is: 483,051.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,061.87 : 764,724.34 = 349,982.95 : x
  2. Step 2: Convert to fraction form
    554,061.87/764,724.34 = 349,982.95/x
  3. Step 3: Cross multiply
    554,061.87x = 764,724.34 × 349,982.95
  4. Step 4: Simplify right side
    554,061.87x = 267,640,482,560.32
  5. Step 5: Solve for x
    x = 267,640,482,560.32/554,061.87
  6. Step 6: Final answer
    x = 483,051.62

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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.