Home / 642,905.14-964,422.51-169,623.22

Finding the Fourth Proportional to 642,905.14, 964,422.51 and 169,623.22

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Solution

The fourth proportional to 642,905.14, 964,422.51 and 169,623.22 is: 254,451.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,905.14 : 964,422.51 = 169,623.22 : x
  2. Step 2: Convert to fraction form
    642,905.14/964,422.51 = 169,623.22/x
  3. Step 3: Cross multiply
    642,905.14x = 964,422.51 × 169,623.22
  4. Step 4: Simplify right side
    642,905.14x = 163,588,451,586.68
  5. Step 5: Solve for x
    x = 163,588,451,586.68/642,905.14
  6. Step 6: Final answer
    x = 254,451.93

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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.