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Finding the Fourth Proportional to 1,039,489, 1,434,494.84 and 562,561

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Solution

The fourth proportional to 1,039,489, 1,434,494.84 and 562,561 is: 776,334.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,489 : 1,434,494.84 = 562,561 : x
  2. Step 2: Convert to fraction form
    1,039,489/1,434,494.84 = 562,561/x
  3. Step 3: Cross multiply
    1,039,489x = 1,434,494.84 × 562,561
  4. Step 4: Simplify right side
    1,039,489x = 806,990,851,685.24
  5. Step 5: Solve for x
    x = 806,990,851,685.24/1,039,489
  6. Step 6: Final answer
    x = 776,334.19

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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.