Home / 731,496.66-1,009,424.78-409,144.48

Finding the Fourth Proportional to 731,496.66, 1,009,424.78 and 409,144.48

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Solution

The fourth proportional to 731,496.66, 1,009,424.78 and 409,144.48 is: 564,596.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,496.66 : 1,009,424.78 = 409,144.48 : x
  2. Step 2: Convert to fraction form
    731,496.66/1,009,424.78 = 409,144.48/x
  3. Step 3: Cross multiply
    731,496.66x = 1,009,424.78 × 409,144.48
  4. Step 4: Simplify right side
    731,496.66x = 413,000,576,712.21
  5. Step 5: Solve for x
    x = 413,000,576,712.21/731,496.66
  6. Step 6: Final answer
    x = 564,596.67

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Double scale
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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.