Home / 581,143.96-801,999.30-326,490.04

Finding the Fourth Proportional to 581,143.96, 801,999.30 and 326,490.04

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Solution

The fourth proportional to 581,143.96, 801,999.30 and 326,490.04 is: 450,567.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,143.96 : 801,999.30 = 326,490.04 : x
  2. Step 2: Convert to fraction form
    581,143.96/801,999.30 = 326,490.04/x
  3. Step 3: Cross multiply
    581,143.96x = 801,999.30 × 326,490.04
  4. Step 4: Simplify right side
    581,143.96x = 261,844,783,536.97
  5. Step 5: Solve for x
    x = 261,844,783,536.97/581,143.96
  6. Step 6: Final answer
    x = 450,567.85

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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.