Home / 690,106.70-1,033,781.63-548,192.27

Finding the Fourth Proportional to 690,106.70, 1,033,781.63 and 548,192.27

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Solution

The fourth proportional to 690,106.70, 1,033,781.63 and 548,192.27 is: 821,193.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,106.70 : 1,033,781.63 = 548,192.27 : x
  2. Step 2: Convert to fraction form
    690,106.70/1,033,781.63 = 548,192.27/x
  3. Step 3: Cross multiply
    690,106.70x = 1,033,781.63 × 548,192.27
  4. Step 4: Simplify right side
    690,106.70x = 566,711,090,524.13
  5. Step 5: Solve for x
    x = 566,711,090,524.13/690,106.70
  6. Step 6: Final answer
    x = 821,193.44

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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.