Home / 821,775.90-1,134,048.24-459,200.10

Finding the Fourth Proportional to 821,775.90, 1,134,048.24 and 459,200.10

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Solution

The fourth proportional to 821,775.90, 1,134,048.24 and 459,200.10 is: 633,694.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,775.90 : 1,134,048.24 = 459,200.10 : x
  2. Step 2: Convert to fraction form
    821,775.90/1,134,048.24 = 459,200.10/x
  3. Step 3: Cross multiply
    821,775.90x = 1,134,048.24 × 459,200.10
  4. Step 4: Simplify right side
    821,775.90x = 520,755,065,212.82
  5. Step 5: Solve for x
    x = 520,755,065,212.82/821,775.90
  6. Step 6: Final answer
    x = 633,694.74

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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.