Home / 562,781.04-776,597.40-308,091.12

Finding the Fourth Proportional to 562,781.04, 776,597.40 and 308,091.12

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Solution

The fourth proportional to 562,781.04, 776,597.40 and 308,091.12 is: 425,143.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,781.04 : 776,597.40 = 308,091.12 : x
  2. Step 2: Convert to fraction form
    562,781.04/776,597.40 = 308,091.12/x
  3. Step 3: Cross multiply
    562,781.04x = 776,597.40 × 308,091.12
  4. Step 4: Simplify right side
    562,781.04x = 239,262,762,755.09
  5. Step 5: Solve for x
    x = 239,262,762,755.09/562,781.04
  6. Step 6: Final answer
    x = 425,143.61

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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.