Home / 945,914.88-1,305,585.92-543,740.16

Finding the Fourth Proportional to 945,914.88, 1,305,585.92 and 543,740.16

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Solution

The fourth proportional to 945,914.88, 1,305,585.92 and 543,740.16 is: 750,489.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,914.88 : 1,305,585.92 = 543,740.16 : x
  2. Step 2: Convert to fraction form
    945,914.88/1,305,585.92 = 543,740.16/x
  3. Step 3: Cross multiply
    945,914.88x = 1,305,585.92 × 543,740.16
  4. Step 4: Simplify right side
    945,914.88x = 709,899,497,034.55
  5. Step 5: Solve for x
    x = 709,899,497,034.55/945,914.88
  6. Step 6: Final answer
    x = 750,489.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.