Home / 654,512.07-981,878.82-334,802.73

Finding the Fourth Proportional to 654,512.07, 981,878.82 and 334,802.73

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Solution

The fourth proportional to 654,512.07, 981,878.82 and 334,802.73 is: 502,260.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,512.07 : 981,878.82 = 334,802.73 : x
  2. Step 2: Convert to fraction form
    654,512.07/981,878.82 = 334,802.73/x
  3. Step 3: Cross multiply
    654,512.07x = 981,878.82 × 334,802.73
  4. Step 4: Simplify right side
    654,512.07x = 328,735,709,465.18
  5. Step 5: Solve for x
    x = 328,735,709,465.18/654,512.07
  6. Step 6: Final answer
    x = 502,260.73

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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.