Home / 513,919.86-770,824.39-134,878.59

Finding the Fourth Proportional to 513,919.86, 770,824.39 and 134,878.59

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Solution

The fourth proportional to 513,919.86, 770,824.39 and 134,878.59 is: 202,303.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,919.86 : 770,824.39 = 134,878.59 : x
  2. Step 2: Convert to fraction form
    513,919.86/770,824.39 = 134,878.59/x
  3. Step 3: Cross multiply
    513,919.86x = 770,824.39 × 134,878.59
  4. Step 4: Simplify right side
    513,919.86x = 103,967,706,860.81
  5. Step 5: Solve for x
    x = 103,967,706,860.81/513,919.86
  6. Step 6: Final answer
    x = 202,303.35

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1.5x scale

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.