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Finding the Fourth Proportional to 1,751,799.78, 2,417,477.13 and 946,983.78

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Solution

The fourth proportional to 1,751,799.78, 2,417,477.13 and 946,983.78 is: 1,306,834.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,751,799.78 : 2,417,477.13 = 946,983.78 : x
  2. Step 2: Convert to fraction form
    1,751,799.78/2,417,477.13 = 946,983.78/x
  3. Step 3: Cross multiply
    1,751,799.78x = 2,417,477.13 × 946,983.78
  4. Step 4: Simplify right side
    1,751,799.78x = 2,289,311,630,630.95
  5. Step 5: Solve for x
    x = 2,289,311,630,630.95/1,751,799.78
  6. Step 6: Final answer
    x = 1,306,834.07

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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.