Home / 712,475.90-1,068,713.86-179,998.46

Finding the Fourth Proportional to 712,475.90, 1,068,713.86 and 179,998.46

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Solution

The fourth proportional to 712,475.90, 1,068,713.86 and 179,998.46 is: 269,997.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,475.90 : 1,068,713.86 = 179,998.46 : x
  2. Step 2: Convert to fraction form
    712,475.90/1,068,713.86 = 179,998.46/x
  3. Step 3: Cross multiply
    712,475.90x = 1,068,713.86 × 179,998.46
  4. Step 4: Simplify right side
    712,475.90x = 192,366,848,980.66
  5. Step 5: Solve for x
    x = 192,366,848,980.66/712,475.90
  6. Step 6: Final answer
    x = 269,997.69

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Double scale
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Similar ratio
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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.