Home / 1,226,477.03-1,840,006.69-385,028.78

Finding the Fourth Proportional to 1,226,477.03, 1,840,006.69 and 385,028.78

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Solution

The fourth proportional to 1,226,477.03, 1,840,006.69 and 385,028.78 is: 577,634.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,477.03 : 1,840,006.69 = 385,028.78 : x
  2. Step 2: Convert to fraction form
    1,226,477.03/1,840,006.69 = 385,028.78/x
  3. Step 3: Cross multiply
    1,226,477.03x = 1,840,006.69 × 385,028.78
  4. Step 4: Simplify right side
    1,226,477.03x = 708,455,519,917.36
  5. Step 5: Solve for x
    x = 708,455,519,917.36/1,226,477.03
  6. Step 6: Final answer
    x = 577,634.56

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1.5x scale

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.