Home / 643,943.63-965,914.50-244,583.66

Finding the Fourth Proportional to 643,943.63, 965,914.50 and 244,583.66

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Solution

The fourth proportional to 643,943.63, 965,914.50 and 244,583.66 is: 366,875.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,943.63 : 965,914.50 = 244,583.66 : x
  2. Step 2: Convert to fraction form
    643,943.63/965,914.50 = 244,583.66/x
  3. Step 3: Cross multiply
    643,943.63x = 965,914.50 × 244,583.66
  4. Step 4: Simplify right side
    643,943.63x = 236,246,903,657.07
  5. Step 5: Solve for x
    x = 236,246,903,657.07/643,943.63
  6. Step 6: Final answer
    x = 366,875.13

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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.