Home / 827,434.98-1,241,127.76-228,432.69

Finding the Fourth Proportional to 827,434.98, 1,241,127.76 and 228,432.69

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Solution

The fourth proportional to 827,434.98, 1,241,127.76 and 228,432.69 is: 342,642.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,434.98 : 1,241,127.76 = 228,432.69 : x
  2. Step 2: Convert to fraction form
    827,434.98/1,241,127.76 = 228,432.69/x
  3. Step 3: Cross multiply
    827,434.98x = 1,241,127.76 × 228,432.69
  4. Step 4: Simplify right side
    827,434.98x = 283,514,152,850.47
  5. Step 5: Solve for x
    x = 283,514,152,850.47/827,434.98
  6. Step 6: Final answer
    x = 342,642.21

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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.