Home / 1,134,918.70-1,566,198.45-625,639.30

Finding the Fourth Proportional to 1,134,918.70, 1,566,198.45 and 625,639.30

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Solution

The fourth proportional to 1,134,918.70, 1,566,198.45 and 625,639.30 is: 863,388.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,918.70 : 1,566,198.45 = 625,639.30 : x
  2. Step 2: Convert to fraction form
    1,134,918.70/1,566,198.45 = 625,639.30/x
  3. Step 3: Cross multiply
    1,134,918.70x = 1,566,198.45 × 625,639.30
  4. Step 4: Simplify right side
    1,134,918.70x = 979,875,301,919.09
  5. Step 5: Solve for x
    x = 979,875,301,919.09/1,134,918.70
  6. Step 6: Final answer
    x = 863,388.10

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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.