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Finding the Fourth Proportional to 1,022,444.46, 1,410,978.96 and 592,979.22

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Solution

The fourth proportional to 1,022,444.46, 1,410,978.96 and 592,979.22 is: 818,314.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,444.46 : 1,410,978.96 = 592,979.22 : x
  2. Step 2: Convert to fraction form
    1,022,444.46/1,410,978.96 = 592,979.22/x
  3. Step 3: Cross multiply
    1,022,444.46x = 1,410,978.96 × 592,979.22
  4. Step 4: Simplify right side
    1,022,444.46x = 836,681,203,137.21
  5. Step 5: Solve for x
    x = 836,681,203,137.21/1,022,444.46
  6. Step 6: Final answer
    x = 818,314.57

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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.