Home / 734,880.87-1,101,892.27-285,076.13

Finding the Fourth Proportional to 734,880.87, 1,101,892.27 and 285,076.13

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Solution

The fourth proportional to 734,880.87, 1,101,892.27 and 285,076.13 is: 427,447.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,880.87 : 1,101,892.27 = 285,076.13 : x
  2. Step 2: Convert to fraction form
    734,880.87/1,101,892.27 = 285,076.13/x
  3. Step 3: Cross multiply
    734,880.87x = 1,101,892.27 × 285,076.13
  4. Step 4: Simplify right side
    734,880.87x = 314,123,186,050.56
  5. Step 5: Solve for x
    x = 314,123,186,050.56/734,880.87
  6. Step 6: Final answer
    x = 427,447.77

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Double scale
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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.