Home / 770,479.29-1,155,769.66-201,874.33

Finding the Fourth Proportional to 770,479.29, 1,155,769.66 and 201,874.33

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Solution

The fourth proportional to 770,479.29, 1,155,769.66 and 201,874.33 is: 302,824.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,479.29 : 1,155,769.66 = 201,874.33 : x
  2. Step 2: Convert to fraction form
    770,479.29/1,155,769.66 = 201,874.33/x
  3. Step 3: Cross multiply
    770,479.29x = 1,155,769.66 × 201,874.33
  4. Step 4: Simplify right side
    770,479.29x = 233,320,225,746.83
  5. Step 5: Solve for x
    x = 233,320,225,746.83/770,479.29
  6. Step 6: Final answer
    x = 302,824.79

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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.