Home / 764,521.43-1,144,286.19-562,064.09

Finding the Fourth Proportional to 764,521.43, 1,144,286.19 and 562,064.09

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Solution

The fourth proportional to 764,521.43, 1,144,286.19 and 562,064.09 is: 841,261.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,521.43 : 1,144,286.19 = 562,064.09 : x
  2. Step 2: Convert to fraction form
    764,521.43/1,144,286.19 = 562,064.09/x
  3. Step 3: Cross multiply
    764,521.43x = 1,144,286.19 × 562,064.09
  4. Step 4: Simplify right side
    764,521.43x = 643,162,170,360.49
  5. Step 5: Solve for x
    x = 643,162,170,360.49/764,521.43
  6. Step 6: Final answer
    x = 841,261.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.