Home / 1,186,561.54-1,780,143.66-345,113.26

Finding the Fourth Proportional to 1,186,561.54, 1,780,143.66 and 345,113.26

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Solution

The fourth proportional to 1,186,561.54, 1,780,143.66 and 345,113.26 is: 517,757.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,561.54 : 1,780,143.66 = 345,113.26 : x
  2. Step 2: Convert to fraction form
    1,186,561.54/1,780,143.66 = 345,113.26/x
  3. Step 3: Cross multiply
    1,186,561.54x = 1,780,143.66 × 345,113.26
  4. Step 4: Simplify right side
    1,186,561.54x = 614,351,181,770.93
  5. Step 5: Solve for x
    x = 614,351,181,770.93/1,186,561.54
  6. Step 6: Final answer
    x = 517,757.54

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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.