Home / 833,064.81-1,247,956.93-528,519.57

Finding the Fourth Proportional to 833,064.81, 1,247,956.93 and 528,519.57

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Solution

The fourth proportional to 833,064.81, 1,247,956.93 and 528,519.57 is: 791,738.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,064.81 : 1,247,956.93 = 528,519.57 : x
  2. Step 2: Convert to fraction form
    833,064.81/1,247,956.93 = 528,519.57/x
  3. Step 3: Cross multiply
    833,064.81x = 1,247,956.93 × 528,519.57
  4. Step 4: Simplify right side
    833,064.81x = 659,569,660,022.12
  5. Step 5: Solve for x
    x = 659,569,660,022.12/833,064.81
  6. Step 6: Final answer
    x = 791,738.71

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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.