Home / 821,329.98-1,232,767.83-416,812.64

Finding the Fourth Proportional to 821,329.98, 1,232,767.83 and 416,812.64

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Solution

The fourth proportional to 821,329.98, 1,232,767.83 and 416,812.64 is: 625,611.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,329.98 : 1,232,767.83 = 416,812.64 : x
  2. Step 2: Convert to fraction form
    821,329.98/1,232,767.83 = 416,812.64/x
  3. Step 3: Cross multiply
    821,329.98x = 1,232,767.83 × 416,812.64
  4. Step 4: Simplify right side
    821,329.98x = 513,833,207,565.53
  5. Step 5: Solve for x
    x = 513,833,207,565.53/821,329.98
  6. Step 6: Final answer
    x = 625,611.17

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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.