Home / 808,375.34-1,211,564.51-693,717.21

Finding the Fourth Proportional to 808,375.34, 1,211,564.51 and 693,717.21

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Solution

The fourth proportional to 808,375.34, 1,211,564.51 and 693,717.21 is: 1,039,718.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,375.34 : 1,211,564.51 = 693,717.21 : x
  2. Step 2: Convert to fraction form
    808,375.34/1,211,564.51 = 693,717.21/x
  3. Step 3: Cross multiply
    808,375.34x = 1,211,564.51 × 693,717.21
  4. Step 4: Simplify right side
    808,375.34x = 840,483,151,612.22
  5. Step 5: Solve for x
    x = 840,483,151,612.22/808,375.34
  6. Step 6: Final answer
    x = 1,039,718.94

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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.