Home / 1,100,247.40-1,518,340.39-616,812.67

Finding the Fourth Proportional to 1,100,247.40, 1,518,340.39 and 616,812.67

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Solution

The fourth proportional to 1,100,247.40, 1,518,340.39 and 616,812.67 is: 851,200.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,247.40 : 1,518,340.39 = 616,812.67 : x
  2. Step 2: Convert to fraction form
    1,100,247.40/1,518,340.39 = 616,812.67/x
  3. Step 3: Cross multiply
    1,100,247.40x = 1,518,340.39 × 616,812.67
  4. Step 4: Simplify right side
    1,100,247.40x = 936,531,593,750.21
  5. Step 5: Solve for x
    x = 936,531,593,750.21/1,100,247.40
  6. Step 6: Final answer
    x = 851,200.91

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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.