Home / 572,642.55-858,821.87-193,554.86

Finding the Fourth Proportional to 572,642.55, 858,821.87 and 193,554.86

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Solution

The fourth proportional to 572,642.55, 858,821.87 and 193,554.86 is: 290,284.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,642.55 : 858,821.87 = 193,554.86 : x
  2. Step 2: Convert to fraction form
    572,642.55/858,821.87 = 193,554.86/x
  3. Step 3: Cross multiply
    572,642.55x = 858,821.87 × 193,554.86
  4. Step 4: Simplify right side
    572,642.55x = 166,229,141,550.91
  5. Step 5: Solve for x
    x = 166,229,141,550.91/572,642.55
  6. Step 6: Final answer
    x = 290,284.30

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1.5x scale

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.