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Finding the Fourth Proportional to 1,039,672, 1,434,751.68 and 562,744

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Solution

The fourth proportional to 1,039,672, 1,434,751.68 and 562,744 is: 776,589.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,672 : 1,434,751.68 = 562,744 : x
  2. Step 2: Convert to fraction form
    1,039,672/1,434,751.68 = 562,744/x
  3. Step 3: Cross multiply
    1,039,672x = 1,434,751.68 × 562,744
  4. Step 4: Simplify right side
    1,039,672x = 807,397,899,409.92
  5. Step 5: Solve for x
    x = 807,397,899,409.92/1,039,672
  6. Step 6: Final answer
    x = 776,589.06

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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.