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Finding the Fourth Proportional to 888,907.77, 1,226,695.95 and 481,009.59

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Solution

The fourth proportional to 888,907.77, 1,226,695.95 and 481,009.59 is: 663,794.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,907.77 : 1,226,695.95 = 481,009.59 : x
  2. Step 2: Convert to fraction form
    888,907.77/1,226,695.95 = 481,009.59/x
  3. Step 3: Cross multiply
    888,907.77x = 1,226,695.95 × 481,009.59
  4. Step 4: Simplify right side
    888,907.77x = 590,052,515,964.16
  5. Step 5: Solve for x
    x = 590,052,515,964.16/888,907.77
  6. Step 6: Final answer
    x = 663,794.98

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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.