Home / 916,351.96-1,373,975.50-410,821.56

Finding the Fourth Proportional to 916,351.96, 1,373,975.50 and 410,821.56

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Solution

The fourth proportional to 916,351.96, 1,373,975.50 and 410,821.56 is: 615,984.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,351.96 : 1,373,975.50 = 410,821.56 : x
  2. Step 2: Convert to fraction form
    916,351.96/1,373,975.50 = 410,821.56/x
  3. Step 3: Cross multiply
    916,351.96x = 1,373,975.50 × 410,821.56
  4. Step 4: Simplify right side
    916,351.96x = 564,458,758,311.78
  5. Step 5: Solve for x
    x = 564,458,758,311.78/916,351.96
  6. Step 6: Final answer
    x = 615,984.67

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.