Home / 840,994.88-1,160,564.48-459,018.24

Finding the Fourth Proportional to 840,994.88, 1,160,564.48 and 459,018.24

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Solution

The fourth proportional to 840,994.88, 1,160,564.48 and 459,018.24 is: 633,440.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,994.88 : 1,160,564.48 = 459,018.24 : x
  2. Step 2: Convert to fraction form
    840,994.88/1,160,564.48 = 459,018.24/x
  3. Step 3: Cross multiply
    840,994.88x = 1,160,564.48 × 459,018.24
  4. Step 4: Simplify right side
    840,994.88x = 532,720,265,016.12
  5. Step 5: Solve for x
    x = 532,720,265,016.12/840,994.88
  6. Step 6: Final answer
    x = 633,440.56

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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.