Home / 927,532.80-1,279,704.72-519,579.54

Finding the Fourth Proportional to 927,532.80, 1,279,704.72 and 519,579.54

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Solution

The fourth proportional to 927,532.80, 1,279,704.72 and 519,579.54 is: 716,857.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,532.80 : 1,279,704.72 = 519,579.54 : x
  2. Step 2: Convert to fraction form
    927,532.80/1,279,704.72 = 519,579.54/x
  3. Step 3: Cross multiply
    927,532.80x = 1,279,704.72 × 519,579.54
  4. Step 4: Simplify right side
    927,532.80x = 664,908,389,753.43
  5. Step 5: Solve for x
    x = 664,908,389,753.43/927,532.80
  6. Step 6: Final answer
    x = 716,857.01

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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.