Home / 734,845.50-1,102,269.06-291,613.50

Finding the Fourth Proportional to 734,845.50, 1,102,269.06 and 291,613.50

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Solution

The fourth proportional to 734,845.50, 1,102,269.06 and 291,613.50 is: 437,420.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,845.50 : 1,102,269.06 = 291,613.50 : x
  2. Step 2: Convert to fraction form
    734,845.50/1,102,269.06 = 291,613.50/x
  3. Step 3: Cross multiply
    734,845.50x = 1,102,269.06 × 291,613.50
  4. Step 4: Simplify right side
    734,845.50x = 321,436,538,528.31
  5. Step 5: Solve for x
    x = 321,436,538,528.31/734,845.50
  6. Step 6: Final answer
    x = 437,420.57

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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.