Home / 843,998.20-1,164,717.40-456,813.54

Finding the Fourth Proportional to 843,998.20, 1,164,717.40 and 456,813.54

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Solution

The fourth proportional to 843,998.20, 1,164,717.40 and 456,813.54 is: 630,402.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,998.20 : 1,164,717.40 = 456,813.54 : x
  2. Step 2: Convert to fraction form
    843,998.20/1,164,717.40 = 456,813.54/x
  3. Step 3: Cross multiply
    843,998.20x = 1,164,717.40 × 456,813.54
  4. Step 4: Simplify right side
    843,998.20x = 532,058,678,593.60
  5. Step 5: Solve for x
    x = 532,058,678,593.60/843,998.20
  6. Step 6: Final answer
    x = 630,402.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.