Home / 1,135,308.34-1,566,645.46-625,999.78

Finding the Fourth Proportional to 1,135,308.34, 1,566,645.46 and 625,999.78

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Solution

The fourth proportional to 1,135,308.34, 1,566,645.46 and 625,999.78 is: 863,835.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,308.34 : 1,566,645.46 = 625,999.78 : x
  2. Step 2: Convert to fraction form
    1,135,308.34/1,566,645.46 = 625,999.78/x
  3. Step 3: Cross multiply
    1,135,308.34x = 1,566,645.46 × 625,999.78
  4. Step 4: Simplify right side
    1,135,308.34x = 980,719,713,298.00
  5. Step 5: Solve for x
    x = 980,719,713,298.00/1,135,308.34
  6. Step 6: Final answer
    x = 863,835.56

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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.