Home / 1,340,118.17-1,849,794.06-857,981.87

Finding the Fourth Proportional to 1,340,118.17, 1,849,794.06 and 857,981.87

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Solution

The fourth proportional to 1,340,118.17, 1,849,794.06 and 857,981.87 is: 1,184,290.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,118.17 : 1,849,794.06 = 857,981.87 : x
  2. Step 2: Convert to fraction form
    1,340,118.17/1,849,794.06 = 857,981.87/x
  3. Step 3: Cross multiply
    1,340,118.17x = 1,849,794.06 × 857,981.87
  4. Step 4: Simplify right side
    1,340,118.17x = 1,587,089,757,464.72
  5. Step 5: Solve for x
    x = 1,587,089,757,464.72/1,340,118.17
  6. Step 6: Final answer
    x = 1,184,290.91

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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.