Home / 1,012,697.94-1,519,794.54-480,220.76

Finding the Fourth Proportional to 1,012,697.94, 1,519,794.54 and 480,220.76

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Solution

The fourth proportional to 1,012,697.94, 1,519,794.54 and 480,220.76 is: 720,685.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,697.94 : 1,519,794.54 = 480,220.76 : x
  2. Step 2: Convert to fraction form
    1,012,697.94/1,519,794.54 = 480,220.76/x
  3. Step 3: Cross multiply
    1,012,697.94x = 1,519,794.54 × 480,220.76
  4. Step 4: Simplify right side
    1,012,697.94x = 729,836,889,042.65
  5. Step 5: Solve for x
    x = 729,836,889,042.65/1,012,697.94
  6. Step 6: Final answer
    x = 720,685.67

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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.