Home / 885,811.15-1,328,716.73-436,617.55

Finding the Fourth Proportional to 885,811.15, 1,328,716.73 and 436,617.55

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Solution

The fourth proportional to 885,811.15, 1,328,716.73 and 436,617.55 is: 654,926.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,811.15 : 1,328,716.73 = 436,617.55 : x
  2. Step 2: Convert to fraction form
    885,811.15/1,328,716.73 = 436,617.55/x
  3. Step 3: Cross multiply
    885,811.15x = 1,328,716.73 × 436,617.55
  4. Step 4: Simplify right side
    885,811.15x = 580,141,041,113.52
  5. Step 5: Solve for x
    x = 580,141,041,113.52/885,811.15
  6. Step 6: Final answer
    x = 654,926.33

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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.