Home / 734,840.55-1,014,138.51-412,571.79

Finding the Fourth Proportional to 734,840.55, 1,014,138.51 and 412,571.79

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Solution

The fourth proportional to 734,840.55, 1,014,138.51 and 412,571.79 is: 569,381.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,840.55 : 1,014,138.51 = 412,571.79 : x
  2. Step 2: Convert to fraction form
    734,840.55/1,014,138.51 = 412,571.79/x
  3. Step 3: Cross multiply
    734,840.55x = 1,014,138.51 × 412,571.79
  4. Step 4: Simplify right side
    734,840.55x = 418,404,940,378.63
  5. Step 5: Solve for x
    x = 418,404,940,378.63/734,840.55
  6. Step 6: Final answer
    x = 569,381.94

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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.