Home / 641,868.95-962,814.38-242,697.71

Finding the Fourth Proportional to 641,868.95, 962,814.38 and 242,697.71

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Solution

The fourth proportional to 641,868.95, 962,814.38 and 242,697.71 is: 364,050.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,868.95 : 962,814.38 = 242,697.71 : x
  2. Step 2: Convert to fraction form
    641,868.95/962,814.38 = 242,697.71/x
  3. Step 3: Cross multiply
    641,868.95x = 962,814.38 × 242,697.71
  4. Step 4: Simplify right side
    641,868.95x = 233,672,846,374.62
  5. Step 5: Solve for x
    x = 233,672,846,374.62/641,868.95
  6. Step 6: Final answer
    x = 364,050.71

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Double scale
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1.5x scale

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.