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Finding the Fourth Proportional to 1,407,825.61, 1,942,773.99 and 795,967.81

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Solution

The fourth proportional to 1,407,825.61, 1,942,773.99 and 795,967.81 is: 1,098,421.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,825.61 : 1,942,773.99 = 795,967.81 : x
  2. Step 2: Convert to fraction form
    1,407,825.61/1,942,773.99 = 795,967.81/x
  3. Step 3: Cross multiply
    1,407,825.61x = 1,942,773.99 × 795,967.81
  4. Step 4: Simplify right side
    1,407,825.61x = 1,546,385,558,145.26
  5. Step 5: Solve for x
    x = 1,546,385,558,145.26/1,407,825.61
  6. Step 6: Final answer
    x = 1,098,421.24

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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.