Home / 1,134,976.40-1,566,257.16-625,678.78

Finding the Fourth Proportional to 1,134,976.40, 1,566,257.16 and 625,678.78

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Solution

The fourth proportional to 1,134,976.40, 1,566,257.16 and 625,678.78 is: 863,431.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,976.40 : 1,566,257.16 = 625,678.78 : x
  2. Step 2: Convert to fraction form
    1,134,976.40/1,566,257.16 = 625,678.78/x
  3. Step 3: Cross multiply
    1,134,976.40x = 1,566,257.16 × 625,678.78
  4. Step 4: Simplify right side
    1,134,976.40x = 979,973,869,035.07
  5. Step 5: Solve for x
    x = 979,973,869,035.07/1,134,976.40
  6. Step 6: Final answer
    x = 863,431.05

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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.