Home / 1,072,381.11-1,608,803.12-362,393.43

Finding the Fourth Proportional to 1,072,381.11, 1,608,803.12 and 362,393.43

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Solution

The fourth proportional to 1,072,381.11, 1,608,803.12 and 362,393.43 is: 543,668.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,381.11 : 1,608,803.12 = 362,393.43 : x
  2. Step 2: Convert to fraction form
    1,072,381.11/1,608,803.12 = 362,393.43/x
  3. Step 3: Cross multiply
    1,072,381.11x = 1,608,803.12 × 362,393.43
  4. Step 4: Simplify right side
    1,072,381.11x = 583,019,679,039.53
  5. Step 5: Solve for x
    x = 583,019,679,039.53/1,072,381.11
  6. Step 6: Final answer
    x = 543,668.36

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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.