Home / 1,236,795.81-1,854,849.25-437,862.84

Finding the Fourth Proportional to 1,236,795.81, 1,854,849.25 and 437,862.84

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Solution

The fourth proportional to 1,236,795.81, 1,854,849.25 and 437,862.84 is: 656,672.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,795.81 : 1,854,849.25 = 437,862.84 : x
  2. Step 2: Convert to fraction form
    1,236,795.81/1,854,849.25 = 437,862.84/x
  3. Step 3: Cross multiply
    1,236,795.81x = 1,854,849.25 × 437,862.84
  4. Step 4: Simplify right side
    1,236,795.81x = 812,169,560,376.87
  5. Step 5: Solve for x
    x = 812,169,560,376.87/1,236,795.81
  6. Step 6: Final answer
    x = 656,672.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.