Home / 572,849.81-790,444.92-331,085.76

Finding the Fourth Proportional to 572,849.81, 790,444.92 and 331,085.76

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Solution

The fourth proportional to 572,849.81, 790,444.92 and 331,085.76 is: 456,847.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,849.81 : 790,444.92 = 331,085.76 : x
  2. Step 2: Convert to fraction form
    572,849.81/790,444.92 = 331,085.76/x
  3. Step 3: Cross multiply
    572,849.81x = 790,444.92 × 331,085.76
  4. Step 4: Simplify right side
    572,849.81x = 261,705,057,076.34
  5. Step 5: Solve for x
    x = 261,705,057,076.34/572,849.81
  6. Step 6: Final answer
    x = 456,847.60

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.