Home / 1,548,815.72-2,323,340.22-426,875

Finding the Fourth Proportional to 1,548,815.72, 2,323,340.22 and 426,875

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Solution

The fourth proportional to 1,548,815.72, 2,323,340.22 and 426,875 is: 640,344.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,548,815.72 : 2,323,340.22 = 426,875 : x
  2. Step 2: Convert to fraction form
    1,548,815.72/2,323,340.22 = 426,875/x
  3. Step 3: Cross multiply
    1,548,815.72x = 2,323,340.22 × 426,875
  4. Step 4: Simplify right side
    1,548,815.72x = 991,775,856,412.50
  5. Step 5: Solve for x
    x = 991,775,856,412.50/1,548,815.72
  6. Step 6: Final answer
    x = 640,344.65

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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.