Home / 821,585.57-1,133,767.20-459,012.16

Finding the Fourth Proportional to 821,585.57, 1,133,767.20 and 459,012.16

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Solution

The fourth proportional to 821,585.57, 1,133,767.20 and 459,012.16 is: 633,425.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,585.57 : 1,133,767.20 = 459,012.16 : x
  2. Step 2: Convert to fraction form
    821,585.57/1,133,767.20 = 459,012.16/x
  3. Step 3: Cross multiply
    821,585.57x = 1,133,767.20 × 459,012.16
  4. Step 4: Simplify right side
    821,585.57x = 520,412,928,574.73
  5. Step 5: Solve for x
    x = 520,412,928,574.73/821,585.57
  6. Step 6: Final answer
    x = 633,425.11

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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.