Home / 385,528.20-532,366.74-242,536.20

Finding the Fourth Proportional to 385,528.20, 532,366.74 and 242,536.20

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Solution

The fourth proportional to 385,528.20, 532,366.74 and 242,536.20 is: 334,912.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,528.20 : 532,366.74 = 242,536.20 : x
  2. Step 2: Convert to fraction form
    385,528.20/532,366.74 = 242,536.20/x
  3. Step 3: Cross multiply
    385,528.20x = 532,366.74 × 242,536.20
  4. Step 4: Simplify right side
    385,528.20x = 129,118,206,125.99
  5. Step 5: Solve for x
    x = 129,118,206,125.99/385,528.20
  6. Step 6: Final answer
    x = 334,912.48

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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.