Home / 1,340,830.44-1,850,384.51-817,571.74

Finding the Fourth Proportional to 1,340,830.44, 1,850,384.51 and 817,571.74

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Solution

The fourth proportional to 1,340,830.44, 1,850,384.51 and 817,571.74 is: 1,128,272.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,830.44 : 1,850,384.51 = 817,571.74 : x
  2. Step 2: Convert to fraction form
    1,340,830.44/1,850,384.51 = 817,571.74/x
  3. Step 3: Cross multiply
    1,340,830.44x = 1,850,384.51 × 817,571.74
  4. Step 4: Simplify right side
    1,340,830.44x = 1,512,822,083,509.75
  5. Step 5: Solve for x
    x = 1,512,822,083,509.75/1,340,830.44
  6. Step 6: Final answer
    x = 1,128,272.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.