Home / 1,780,062.61-2,670,093.92-432,216.14

Finding the Fourth Proportional to 1,780,062.61, 2,670,093.92 and 432,216.14

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Solution

The fourth proportional to 1,780,062.61, 2,670,093.92 and 432,216.14 is: 648,324.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,062.61 : 2,670,093.92 = 432,216.14 : x
  2. Step 2: Convert to fraction form
    1,780,062.61/2,670,093.92 = 432,216.14/x
  3. Step 3: Cross multiply
    1,780,062.61x = 2,670,093.92 × 432,216.14
  4. Step 4: Simplify right side
    1,780,062.61x = 1,154,057,687,539.87
  5. Step 5: Solve for x
    x = 1,154,057,687,539.87/1,780,062.61
  6. Step 6: Final answer
    x = 648,324.21

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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.