Home / 562,979.43-776,882.70-308,281.41

Finding the Fourth Proportional to 562,979.43, 776,882.70 and 308,281.41

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Solution

The fourth proportional to 562,979.43, 776,882.70 and 308,281.41 is: 425,412.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,979.43 : 776,882.70 = 308,281.41 : x
  2. Step 2: Convert to fraction form
    562,979.43/776,882.70 = 308,281.41/x
  3. Step 3: Cross multiply
    562,979.43x = 776,882.70 × 308,281.41
  4. Step 4: Simplify right side
    562,979.43x = 239,498,494,160.61
  5. Step 5: Solve for x
    x = 239,498,494,160.61/562,979.43
  6. Step 6: Final answer
    x = 425,412.51

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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.