Home / 762,598.06-1,143,905.19-230,123.77

Finding the Fourth Proportional to 762,598.06, 1,143,905.19 and 230,123.77

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Solution

The fourth proportional to 762,598.06, 1,143,905.19 and 230,123.77 is: 345,188.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,598.06 : 1,143,905.19 = 230,123.77 : x
  2. Step 2: Convert to fraction form
    762,598.06/1,143,905.19 = 230,123.77/x
  3. Step 3: Cross multiply
    762,598.06x = 1,143,905.19 × 230,123.77
  4. Step 4: Simplify right side
    762,598.06x = 263,239,774,845.37
  5. Step 5: Solve for x
    x = 263,239,774,845.37/762,598.06
  6. Step 6: Final answer
    x = 345,188.10

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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.