Home / 1,340,829.44-1,850,383.13-817,570.74

Finding the Fourth Proportional to 1,340,829.44, 1,850,383.13 and 817,570.74

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Solution

The fourth proportional to 1,340,829.44, 1,850,383.13 and 817,570.74 is: 1,128,271.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,829.44 : 1,850,383.13 = 817,570.74 : x
  2. Step 2: Convert to fraction form
    1,340,829.44/1,850,383.13 = 817,570.74/x
  3. Step 3: Cross multiply
    1,340,829.44x = 1,850,383.13 × 817,570.74
  4. Step 4: Simplify right side
    1,340,829.44x = 1,512,819,104,877.62
  5. Step 5: Solve for x
    x = 1,512,819,104,877.62/1,340,829.44
  6. Step 6: Final answer
    x = 1,128,271.10

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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.