Home / 1,225,225.72-1,837,953.84-360,661.21

Finding the Fourth Proportional to 1,225,225.72, 1,837,953.84 and 360,661.21

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Solution

The fourth proportional to 1,225,225.72, 1,837,953.84 and 360,661.21 is: 541,025.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,225.72 : 1,837,953.84 = 360,661.21 : x
  2. Step 2: Convert to fraction form
    1,225,225.72/1,837,953.84 = 360,661.21/x
  3. Step 3: Cross multiply
    1,225,225.72x = 1,837,953.84 × 360,661.21
  4. Step 4: Simplify right side
    1,225,225.72x = 662,878,660,418.72
  5. Step 5: Solve for x
    x = 662,878,660,418.72/1,225,225.72
  6. Step 6: Final answer
    x = 541,025.75

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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.