Home / 767,186.87-1,151,112.16-411,785.70

Finding the Fourth Proportional to 767,186.87, 1,151,112.16 and 411,785.70

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Solution

The fourth proportional to 767,186.87, 1,151,112.16 and 411,785.70 is: 617,856.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,186.87 : 1,151,112.16 = 411,785.70 : x
  2. Step 2: Convert to fraction form
    767,186.87/1,151,112.16 = 411,785.70/x
  3. Step 3: Cross multiply
    767,186.87x = 1,151,112.16 × 411,785.70
  4. Step 4: Simplify right side
    767,186.87x = 474,011,526,584.11
  5. Step 5: Solve for x
    x = 474,011,526,584.11/767,186.87
  6. Step 6: Final answer
    x = 617,856.67

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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.