Home / 821,994.59-1,134,405.74-459,433.73

Finding the Fourth Proportional to 821,994.59, 1,134,405.74 and 459,433.73

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Solution

The fourth proportional to 821,994.59, 1,134,405.74 and 459,433.73 is: 634,048.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,994.59 : 1,134,405.74 = 459,433.73 : x
  2. Step 2: Convert to fraction form
    821,994.59/1,134,405.74 = 459,433.73/x
  3. Step 3: Cross multiply
    821,994.59x = 1,134,405.74 × 459,433.73
  4. Step 4: Simplify right side
    821,994.59x = 521,184,261,000.46
  5. Step 5: Solve for x
    x = 521,184,261,000.46/821,994.59
  6. Step 6: Final answer
    x = 634,048.28

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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.