Home / 821,592.58-1,133,776.87-459,019.16

Finding the Fourth Proportional to 821,592.58, 1,133,776.87 and 459,019.16

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Solution

The fourth proportional to 821,592.58, 1,133,776.87 and 459,019.16 is: 633,434.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,592.58 : 1,133,776.87 = 459,019.16 : x
  2. Step 2: Convert to fraction form
    821,592.58/1,133,776.87 = 459,019.16/x
  3. Step 3: Cross multiply
    821,592.58x = 1,133,776.87 × 459,019.16
  4. Step 4: Simplify right side
    821,592.58x = 520,425,306,494.83
  5. Step 5: Solve for x
    x = 520,425,306,494.83/821,592.58
  6. Step 6: Final answer
    x = 633,434.77

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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.