Home / 789,561.66-1,184,218.77-257,079.09

Finding the Fourth Proportional to 789,561.66, 1,184,218.77 and 257,079.09

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Solution

The fourth proportional to 789,561.66, 1,184,218.77 and 257,079.09 is: 385,578.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,561.66 : 1,184,218.77 = 257,079.09 : x
  2. Step 2: Convert to fraction form
    789,561.66/1,184,218.77 = 257,079.09/x
  3. Step 3: Cross multiply
    789,561.66x = 1,184,218.77 × 257,079.09
  4. Step 4: Simplify right side
    789,561.66x = 304,437,883,752.52
  5. Step 5: Solve for x
    x = 304,437,883,752.52/789,561.66
  6. Step 6: Final answer
    x = 385,578.35

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Double scale
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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.