Home / 572,200.76-858,330.26-193,135.32

Finding the Fourth Proportional to 572,200.76, 858,330.26 and 193,135.32

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Solution

The fourth proportional to 572,200.76, 858,330.26 and 193,135.32 is: 289,712.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,200.76 : 858,330.26 = 193,135.32 : x
  2. Step 2: Convert to fraction form
    572,200.76/858,330.26 = 193,135.32/x
  3. Step 3: Cross multiply
    572,200.76x = 858,330.26 × 193,135.32
  4. Step 4: Simplify right side
    572,200.76x = 165,773,889,430.78
  5. Step 5: Solve for x
    x = 165,773,889,430.78/572,200.76
  6. Step 6: Final answer
    x = 289,712.81

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Double scale
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Similar ratio
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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.