Home / 821,777.20-1,134,030.77-459,204.04

Finding the Fourth Proportional to 821,777.20, 1,134,030.77 and 459,204.04

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Solution

The fourth proportional to 821,777.20, 1,134,030.77 and 459,204.04 is: 633,689.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,777.20 : 1,134,030.77 = 459,204.04 : x
  2. Step 2: Convert to fraction form
    821,777.20/1,134,030.77 = 459,204.04/x
  3. Step 3: Cross multiply
    821,777.20x = 1,134,030.77 × 459,204.04
  4. Step 4: Simplify right side
    821,777.20x = 520,751,509,381.24
  5. Step 5: Solve for x
    x = 520,751,509,381.24/821,777.20
  6. Step 6: Final answer
    x = 633,689.41

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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.