Home / 921,285.60-1,382,803.20-566,991.60

Finding the Fourth Proportional to 921,285.60, 1,382,803.20 and 566,991.60

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Solution

The fourth proportional to 921,285.60, 1,382,803.20 and 566,991.60 is: 851,025.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,285.60 : 1,382,803.20 = 566,991.60 : x
  2. Step 2: Convert to fraction form
    921,285.60/1,382,803.20 = 566,991.60/x
  3. Step 3: Cross multiply
    921,285.60x = 1,382,803.20 × 566,991.60
  4. Step 4: Simplify right side
    921,285.60x = 784,037,798,853.12
  5. Step 5: Solve for x
    x = 784,037,798,853.12/921,285.60
  6. Step 6: Final answer
    x = 851,025.78

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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.