Home / 424,843.03-586,214.78-243,521.59

Finding the Fourth Proportional to 424,843.03, 586,214.78 and 243,521.59

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Solution

The fourth proportional to 424,843.03, 586,214.78 and 243,521.59 is: 336,020.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,843.03 : 586,214.78 = 243,521.59 : x
  2. Step 2: Convert to fraction form
    424,843.03/586,214.78 = 243,521.59/x
  3. Step 3: Cross multiply
    424,843.03x = 586,214.78 × 243,521.59
  4. Step 4: Simplify right side
    424,843.03x = 142,755,954,089.49
  5. Step 5: Solve for x
    x = 142,755,954,089.49/424,843.03
  6. Step 6: Final answer
    x = 336,020.47

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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.