Home / 827,586.60-1,241,264.70-266,677.80

Finding the Fourth Proportional to 827,586.60, 1,241,264.70 and 266,677.80

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Solution

The fourth proportional to 827,586.60, 1,241,264.70 and 266,677.80 is: 399,979.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,586.60 : 1,241,264.70 = 266,677.80 : x
  2. Step 2: Convert to fraction form
    827,586.60/1,241,264.70 = 266,677.80/x
  3. Step 3: Cross multiply
    827,586.60x = 1,241,264.70 × 266,677.80
  4. Step 4: Simplify right side
    827,586.60x = 331,017,739,413.66
  5. Step 5: Solve for x
    x = 331,017,739,413.66/827,586.60
  6. Step 6: Final answer
    x = 399,979.58

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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.