Home / 509,184.69-762,613.61-243,131.55

Finding the Fourth Proportional to 509,184.69, 762,613.61 and 243,131.55

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Solution

The fourth proportional to 509,184.69, 762,613.61 and 243,131.55 is: 364,141.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,184.69 : 762,613.61 = 243,131.55 : x
  2. Step 2: Convert to fraction form
    509,184.69/762,613.61 = 243,131.55/x
  3. Step 3: Cross multiply
    509,184.69x = 762,613.61 × 243,131.55
  4. Step 4: Simplify right side
    509,184.69x = 185,415,427,834.74
  5. Step 5: Solve for x
    x = 185,415,427,834.74/509,184.69
  6. Step 6: Final answer
    x = 364,141.80

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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.