Home / 821,624.18-1,133,728.65-459,002.97

Finding the Fourth Proportional to 821,624.18, 1,133,728.65 and 459,002.97

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Solution

The fourth proportional to 821,624.18, 1,133,728.65 and 459,002.97 is: 633,361.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,624.18 : 1,133,728.65 = 459,002.97 : x
  2. Step 2: Convert to fraction form
    821,624.18/1,133,728.65 = 459,002.97/x
  3. Step 3: Cross multiply
    821,624.18x = 1,133,728.65 × 459,002.97
  4. Step 4: Simplify right side
    821,624.18x = 520,384,817,524.09
  5. Step 5: Solve for x
    x = 520,384,817,524.09/821,624.18
  6. Step 6: Final answer
    x = 633,361.13

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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.