Home / 1,135,218.64-1,566,612.32-625,939.12

Finding the Fourth Proportional to 1,135,218.64, 1,566,612.32 and 625,939.12

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Solution

The fourth proportional to 1,135,218.64, 1,566,612.32 and 625,939.12 is: 863,801.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,218.64 : 1,566,612.32 = 625,939.12 : x
  2. Step 2: Convert to fraction form
    1,135,218.64/1,566,612.32 = 625,939.12/x
  3. Step 3: Cross multiply
    1,135,218.64x = 1,566,612.32 × 625,939.12
  4. Step 4: Simplify right side
    1,135,218.64x = 980,603,936,961.96
  5. Step 5: Solve for x
    x = 980,603,936,961.96/1,135,218.64
  6. Step 6: Final answer
    x = 863,801.83

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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.