Home / 686,045.96-1,029,232.44-236,770.71

Finding the Fourth Proportional to 686,045.96, 1,029,232.44 and 236,770.71

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Solution

The fourth proportional to 686,045.96, 1,029,232.44 and 236,770.71 is: 355,212.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,045.96 : 1,029,232.44 = 236,770.71 : x
  2. Step 2: Convert to fraction form
    686,045.96/1,029,232.44 = 236,770.71/x
  3. Step 3: Cross multiply
    686,045.96x = 1,029,232.44 × 236,770.71
  4. Step 4: Simplify right side
    686,045.96x = 243,692,095,573.83
  5. Step 5: Solve for x
    x = 243,692,095,573.83/686,045.96
  6. Step 6: Final answer
    x = 355,212.49

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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.