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Finding the Fourth Proportional to 1,409,712, 1,944,517.44 and 836,346.24

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Solution

The fourth proportional to 1,409,712, 1,944,517.44 and 836,346.24 is: 1,153,632.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,712 : 1,944,517.44 = 836,346.24 : x
  2. Step 2: Convert to fraction form
    1,409,712/1,944,517.44 = 836,346.24/x
  3. Step 3: Cross multiply
    1,409,712x = 1,944,517.44 × 836,346.24
  4. Step 4: Simplify right side
    1,409,712x = 1,626,289,849,558.43
  5. Step 5: Solve for x
    x = 1,626,289,849,558.43/1,409,712
  6. Step 6: Final answer
    x = 1,153,632.69

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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.