Home / 869,193.40-1,301,165.70-764,217.40

Finding the Fourth Proportional to 869,193.40, 1,301,165.70 and 764,217.40

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Solution

The fourth proportional to 869,193.40, 1,301,165.70 and 764,217.40 is: 1,144,018.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,193.40 : 1,301,165.70 = 764,217.40 : x
  2. Step 2: Convert to fraction form
    869,193.40/1,301,165.70 = 764,217.40/x
  3. Step 3: Cross multiply
    869,193.40x = 1,301,165.70 × 764,217.40
  4. Step 4: Simplify right side
    869,193.40x = 994,373,468,223.18
  5. Step 5: Solve for x
    x = 994,373,468,223.18/869,193.40
  6. Step 6: Final answer
    x = 1,144,018.66

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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.