Home / 583,382.25-805,067.51-328,742.55

Finding the Fourth Proportional to 583,382.25, 805,067.51 and 328,742.55

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Solution

The fourth proportional to 583,382.25, 805,067.51 and 328,742.55 is: 453,664.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,382.25 : 805,067.51 = 328,742.55 : x
  2. Step 2: Convert to fraction form
    583,382.25/805,067.51 = 328,742.55/x
  3. Step 3: Cross multiply
    583,382.25x = 805,067.51 × 328,742.55
  4. Step 4: Simplify right side
    583,382.25x = 264,659,944,515.84
  5. Step 5: Solve for x
    x = 264,659,944,515.84/583,382.25
  6. Step 6: Final answer
    x = 453,664.72

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1.5x scale

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.