Home / 641,344.35-961,415.10-242,253.30

Finding the Fourth Proportional to 641,344.35, 961,415.10 and 242,253.30

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Solution

The fourth proportional to 641,344.35, 961,415.10 and 242,253.30 is: 363,152.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,344.35 : 961,415.10 = 242,253.30 : x
  2. Step 2: Convert to fraction form
    641,344.35/961,415.10 = 242,253.30/x
  3. Step 3: Cross multiply
    641,344.35x = 961,415.10 × 242,253.30
  4. Step 4: Simplify right side
    641,344.35x = 232,905,980,644.83
  5. Step 5: Solve for x
    x = 232,905,980,644.83/641,344.35
  6. Step 6: Final answer
    x = 363,152.78

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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.