Home / 781,827.75-1,172,744.06-190,851.75

Finding the Fourth Proportional to 781,827.75, 1,172,744.06 and 190,851.75

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Solution

The fourth proportional to 781,827.75, 1,172,744.06 and 190,851.75 is: 286,278.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,827.75 : 1,172,744.06 = 190,851.75 : x
  2. Step 2: Convert to fraction form
    781,827.75/1,172,744.06 = 190,851.75/x
  3. Step 3: Cross multiply
    781,827.75x = 1,172,744.06 × 190,851.75
  4. Step 4: Simplify right side
    781,827.75x = 223,820,255,198.85
  5. Step 5: Solve for x
    x = 223,820,255,198.85/781,827.75
  6. Step 6: Final answer
    x = 286,278.22

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1.5x scale

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.