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Finding the Fourth Proportional to 1,057,590, 1,459,474.20 and 580,662

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Solution

The fourth proportional to 1,057,590, 1,459,474.20 and 580,662 is: 801,313.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,590 : 1,459,474.20 = 580,662 : x
  2. Step 2: Convert to fraction form
    1,057,590/1,459,474.20 = 580,662/x
  3. Step 3: Cross multiply
    1,057,590x = 1,459,474.20 × 580,662
  4. Step 4: Simplify right side
    1,057,590x = 847,461,207,920.40
  5. Step 5: Solve for x
    x = 847,461,207,920.40/1,057,590
  6. Step 6: Final answer
    x = 801,313.56

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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.