Home / 1,236,117.27-1,854,463.47-383,143.68

Finding the Fourth Proportional to 1,236,117.27, 1,854,463.47 and 383,143.68

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Solution

The fourth proportional to 1,236,117.27, 1,854,463.47 and 383,143.68 is: 574,804.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,117.27 : 1,854,463.47 = 383,143.68 : x
  2. Step 2: Convert to fraction form
    1,236,117.27/1,854,463.47 = 383,143.68/x
  3. Step 3: Cross multiply
    1,236,117.27x = 1,854,463.47 × 383,143.68
  4. Step 4: Simplify right side
    1,236,117.27x = 710,525,958,321.37
  5. Step 5: Solve for x
    x = 710,525,958,321.37/1,236,117.27
  6. Step 6: Final answer
    x = 574,804.65

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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.