Home / 6,724,007.28-9,278,946.36-3,668,220.72

Finding the Fourth Proportional to 6,724,007.28, 9,278,946.36 and 3,668,220.72

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Solution

The fourth proportional to 6,724,007.28, 9,278,946.36 and 3,668,220.72 is: 5,062,044.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,724,007.28 : 9,278,946.36 = 3,668,220.72 : x
  2. Step 2: Convert to fraction form
    6,724,007.28/9,278,946.36 = 3,668,220.72/x
  3. Step 3: Cross multiply
    6,724,007.28x = 9,278,946.36 × 3,668,220.72
  4. Step 4: Simplify right side
    6,724,007.28x = 34,037,223,297,520.58
  5. Step 5: Solve for x
    x = 34,037,223,297,520.58/6,724,007.28
  6. Step 6: Final answer
    x = 5,062,044.39

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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.