Home / 654,548.99-981,934.20-334,839.69

Finding the Fourth Proportional to 654,548.99, 981,934.20 and 334,839.69

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Solution

The fourth proportional to 654,548.99, 981,934.20 and 334,839.69 is: 502,316.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,548.99 : 981,934.20 = 334,839.69 : x
  2. Step 2: Convert to fraction form
    654,548.99/981,934.20 = 334,839.69/x
  3. Step 3: Cross multiply
    654,548.99x = 981,934.20 × 334,839.69
  4. Step 4: Simplify right side
    654,548.99x = 328,790,543,128.40
  5. Step 5: Solve for x
    x = 328,790,543,128.40/654,548.99
  6. Step 6: Final answer
    x = 502,316.18

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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.