Home / 3,112,105.48-4,668,158.22-983,684.44

Finding the Fourth Proportional to 3,112,105.48, 4,668,158.22 and 983,684.44

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Solution

The fourth proportional to 3,112,105.48, 4,668,158.22 and 983,684.44 is: 1,475,526.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112,105.48 : 4,668,158.22 = 983,684.44 : x
  2. Step 2: Convert to fraction form
    3,112,105.48/4,668,158.22 = 983,684.44/x
  3. Step 3: Cross multiply
    3,112,105.48x = 4,668,158.22 × 983,684.44
  4. Step 4: Simplify right side
    3,112,105.48x = 4,591,994,604,472.10
  5. Step 5: Solve for x
    x = 4,591,994,604,472.10/3,112,105.48
  6. Step 6: Final answer
    x = 1,475,526.66

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Double scale
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Similar ratio
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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.