Home / 821,669.08-1,133,900.22-459,126.04

Finding the Fourth Proportional to 821,669.08, 1,133,900.22 and 459,126.04

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Solution

The fourth proportional to 821,669.08, 1,133,900.22 and 459,126.04 is: 633,592.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,669.08 : 1,133,900.22 = 459,126.04 : x
  2. Step 2: Convert to fraction form
    821,669.08/1,133,900.22 = 459,126.04/x
  3. Step 3: Cross multiply
    821,669.08x = 1,133,900.22 × 459,126.04
  4. Step 4: Simplify right side
    821,669.08x = 520,603,117,763.73
  5. Step 5: Solve for x
    x = 520,603,117,763.73/821,669.08
  6. Step 6: Final answer
    x = 633,592.20

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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.