Home / 833,065.81-1,247,958.43-528,520.57

Finding the Fourth Proportional to 833,065.81, 1,247,958.43 and 528,520.57

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Solution

The fourth proportional to 833,065.81, 1,247,958.43 and 528,520.57 is: 791,740.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,065.81 : 1,247,958.43 = 528,520.57 : x
  2. Step 2: Convert to fraction form
    833,065.81/1,247,958.43 = 528,520.57/x
  3. Step 3: Cross multiply
    833,065.81x = 1,247,958.43 × 528,520.57
  4. Step 4: Simplify right side
    833,065.81x = 659,571,700,759.91
  5. Step 5: Solve for x
    x = 659,571,700,759.91/833,065.81
  6. Step 6: Final answer
    x = 791,740.21

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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.