Home / 804,085.65-1,211,908.11-693,105.33

Finding the Fourth Proportional to 804,085.65, 1,211,908.11 and 693,105.33

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Solution

The fourth proportional to 804,085.65, 1,211,908.11 and 693,105.33 is: 1,044,639.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,085.65 : 1,211,908.11 = 693,105.33 : x
  2. Step 2: Convert to fraction form
    804,085.65/1,211,908.11 = 693,105.33/x
  3. Step 3: Cross multiply
    804,085.65x = 1,211,908.11 × 693,105.33
  4. Step 4: Simplify right side
    804,085.65x = 839,979,970,511.23
  5. Step 5: Solve for x
    x = 839,979,970,511.23/804,085.65
  6. Step 6: Final answer
    x = 1,044,639.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.