Home / 416,543.06-624,342.09-191,438.24

Finding the Fourth Proportional to 416,543.06, 624,342.09 and 191,438.24

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Solution

The fourth proportional to 416,543.06, 624,342.09 and 191,438.24 is: 286,940.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,543.06 : 624,342.09 = 191,438.24 : x
  2. Step 2: Convert to fraction form
    416,543.06/624,342.09 = 191,438.24/x
  3. Step 3: Cross multiply
    416,543.06x = 624,342.09 × 191,438.24
  4. Step 4: Simplify right side
    416,543.06x = 119,522,950,867.52
  5. Step 5: Solve for x
    x = 119,522,950,867.52/416,543.06
  6. Step 6: Final answer
    x = 286,940.20

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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.