Home / 1,291,751.40-1,936,244.70-581,658.60

Finding the Fourth Proportional to 1,291,751.40, 1,936,244.70 and 581,658.60

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Solution

The fourth proportional to 1,291,751.40, 1,936,244.70 and 581,658.60 is: 871,865.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,751.40 : 1,936,244.70 = 581,658.60 : x
  2. Step 2: Convert to fraction form
    1,291,751.40/1,936,244.70 = 581,658.60/x
  3. Step 3: Cross multiply
    1,291,751.40x = 1,936,244.70 × 581,658.60
  4. Step 4: Simplify right side
    1,291,751.40x = 1,126,233,381,459.42
  5. Step 5: Solve for x
    x = 1,126,233,381,459.42/1,291,751.40
  6. Step 6: Final answer
    x = 871,865.42

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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.