Home / 863,162.53-1,191,138.21-475,977.74

Finding the Fourth Proportional to 863,162.53, 1,191,138.21 and 475,977.74

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Solution

The fourth proportional to 863,162.53, 1,191,138.21 and 475,977.74 is: 656,834.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,162.53 : 1,191,138.21 = 475,977.74 : x
  2. Step 2: Convert to fraction form
    863,162.53/1,191,138.21 = 475,977.74/x
  3. Step 3: Cross multiply
    863,162.53x = 1,191,138.21 × 475,977.74
  4. Step 4: Simplify right side
    863,162.53x = 566,955,267,267.75
  5. Step 5: Solve for x
    x = 566,955,267,267.75/863,162.53
  6. Step 6: Final answer
    x = 656,834.89

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1.5x scale

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.