Home / 385,559.26-532,377.75-256,621.66

Finding the Fourth Proportional to 385,559.26, 532,377.75 and 256,621.66

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Solution

The fourth proportional to 385,559.26, 532,377.75 and 256,621.66 is: 354,341.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,559.26 : 532,377.75 = 256,621.66 : x
  2. Step 2: Convert to fraction form
    385,559.26/532,377.75 = 256,621.66/x
  3. Step 3: Cross multiply
    385,559.26x = 532,377.75 × 256,621.66
  4. Step 4: Simplify right side
    385,559.26x = 136,619,661,952.07
  5. Step 5: Solve for x
    x = 136,619,661,952.07/385,559.26
  6. Step 6: Final answer
    x = 354,341.54

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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.