Home / 821,892.04-1,134,208.82-459,315.59

Finding the Fourth Proportional to 821,892.04, 1,134,208.82 and 459,315.59

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Solution

The fourth proportional to 821,892.04, 1,134,208.82 and 459,315.59 is: 633,854.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,892.04 : 1,134,208.82 = 459,315.59 : x
  2. Step 2: Convert to fraction form
    821,892.04/1,134,208.82 = 459,315.59/x
  3. Step 3: Cross multiply
    821,892.04x = 1,134,208.82 × 459,315.59
  4. Step 4: Simplify right side
    821,892.04x = 520,959,785,373.88
  5. Step 5: Solve for x
    x = 520,959,785,373.88/821,892.04
  6. Step 6: Final answer
    x = 633,854.28

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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.