Home / 1,445,169.54-2,168,238.24-472,578.68

Finding the Fourth Proportional to 1,445,169.54, 2,168,238.24 and 472,578.68

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Solution

The fourth proportional to 1,445,169.54, 2,168,238.24 and 472,578.68 is: 709,026.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,169.54 : 2,168,238.24 = 472,578.68 : x
  2. Step 2: Convert to fraction form
    1,445,169.54/2,168,238.24 = 472,578.68/x
  3. Step 3: Cross multiply
    1,445,169.54x = 2,168,238.24 × 472,578.68
  4. Step 4: Simplify right side
    1,445,169.54x = 1,024,663,165,384.72
  5. Step 5: Solve for x
    x = 1,024,663,165,384.72/1,445,169.54
  6. Step 6: Final answer
    x = 709,026.27

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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.