Home / 1,134,335.70-1,698,004.35-659,610.90

Finding the Fourth Proportional to 1,134,335.70, 1,698,004.35 and 659,610.90

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Solution

The fourth proportional to 1,134,335.70, 1,698,004.35 and 659,610.90 is: 987,381.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,335.70 : 1,698,004.35 = 659,610.90 : x
  2. Step 2: Convert to fraction form
    1,134,335.70/1,698,004.35 = 659,610.90/x
  3. Step 3: Cross multiply
    1,134,335.70x = 1,698,004.35 × 659,610.90
  4. Step 4: Simplify right side
    1,134,335.70x = 1,120,022,177,507.42
  5. Step 5: Solve for x
    x = 1,120,022,177,507.42/1,134,335.70
  6. Step 6: Final answer
    x = 987,381.58

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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.