Home / 827,998.70-1,241,560.65-354,148.70

Finding the Fourth Proportional to 827,998.70, 1,241,560.65 and 354,148.70

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Solution

The fourth proportional to 827,998.70, 1,241,560.65 and 354,148.70 is: 531,035.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,998.70 : 1,241,560.65 = 354,148.70 : x
  2. Step 2: Convert to fraction form
    827,998.70/1,241,560.65 = 354,148.70/x
  3. Step 3: Cross multiply
    827,998.70x = 1,241,560.65 × 354,148.70
  4. Step 4: Simplify right side
    827,998.70x = 439,697,090,168.66
  5. Step 5: Solve for x
    x = 439,697,090,168.66/827,998.70
  6. Step 6: Final answer
    x = 531,035.97

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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.