Home / 563,667.15-844,549.77-278,978.07

Finding the Fourth Proportional to 563,667.15, 844,549.77 and 278,978.07

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Solution

The fourth proportional to 563,667.15, 844,549.77 and 278,978.07 is: 417,996.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,667.15 : 844,549.77 = 278,978.07 : x
  2. Step 2: Convert to fraction form
    563,667.15/844,549.77 = 278,978.07/x
  3. Step 3: Cross multiply
    563,667.15x = 844,549.77 × 278,978.07
  4. Step 4: Simplify right side
    563,667.15x = 235,610,864,853.54
  5. Step 5: Solve for x
    x = 235,610,864,853.54/563,667.15
  6. Step 6: Final answer
    x = 417,996.44

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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.