Home / 925,085.96-1,387,865.42-356,314.39

Finding the Fourth Proportional to 925,085.96, 1,387,865.42 and 356,314.39

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Solution

The fourth proportional to 925,085.96, 1,387,865.42 and 356,314.39 is: 534,562.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,085.96 : 1,387,865.42 = 356,314.39 : x
  2. Step 2: Convert to fraction form
    925,085.96/1,387,865.42 = 356,314.39/x
  3. Step 3: Cross multiply
    925,085.96x = 1,387,865.42 × 356,314.39
  4. Step 4: Simplify right side
    925,085.96x = 494,516,423,418.95
  5. Step 5: Solve for x
    x = 494,516,423,418.95/925,085.96
  6. Step 6: Final answer
    x = 534,562.67

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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.