Home / 919,141.46-1,267,524.64-613,230.32

Finding the Fourth Proportional to 919,141.46, 1,267,524.64 and 613,230.32

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Solution

The fourth proportional to 919,141.46, 1,267,524.64 and 613,230.32 is: 845,663.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,141.46 : 1,267,524.64 = 613,230.32 : x
  2. Step 2: Convert to fraction form
    919,141.46/1,267,524.64 = 613,230.32/x
  3. Step 3: Cross multiply
    919,141.46x = 1,267,524.64 × 613,230.32
  4. Step 4: Simplify right side
    919,141.46x = 777,284,540,595.09
  5. Step 5: Solve for x
    x = 777,284,540,595.09/919,141.46
  6. Step 6: Final answer
    x = 845,663.67

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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.