Home / 408,722.08-563,716.95-265,528.25

Finding the Fourth Proportional to 408,722.08, 563,716.95 and 265,528.25

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Solution

The fourth proportional to 408,722.08, 563,716.95 and 265,528.25 is: 366,221.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,722.08 : 563,716.95 = 265,528.25 : x
  2. Step 2: Convert to fraction form
    408,722.08/563,716.95 = 265,528.25/x
  3. Step 3: Cross multiply
    408,722.08x = 563,716.95 × 265,528.25
  4. Step 4: Simplify right side
    408,722.08x = 149,682,775,642.40
  5. Step 5: Solve for x
    x = 149,682,775,642.40/408,722.08
  6. Step 6: Final answer
    x = 366,221.41

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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.