Home / 572,639.55-858,817.37-193,551.86

Finding the Fourth Proportional to 572,639.55, 858,817.37 and 193,551.86

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Solution

The fourth proportional to 572,639.55, 858,817.37 and 193,551.86 is: 290,279.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,639.55 : 858,817.37 = 193,551.86 : x
  2. Step 2: Convert to fraction form
    572,639.55/858,817.37 = 193,551.86/x
  3. Step 3: Cross multiply
    572,639.55x = 858,817.37 × 193,551.86
  4. Step 4: Simplify right side
    572,639.55x = 166,225,694,101.96
  5. Step 5: Solve for x
    x = 166,225,694,101.96/572,639.55
  6. Step 6: Final answer
    x = 290,279.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.