Home / 2,905,834.40-4,358,751.60-911,287.20

Finding the Fourth Proportional to 2,905,834.40, 4,358,751.60 and 911,287.20

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Solution

The fourth proportional to 2,905,834.40, 4,358,751.60 and 911,287.20 is: 1,366,930.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905,834.40 : 4,358,751.60 = 911,287.20 : x
  2. Step 2: Convert to fraction form
    2,905,834.40/4,358,751.60 = 911,287.20/x
  3. Step 3: Cross multiply
    2,905,834.40x = 4,358,751.60 × 911,287.20
  4. Step 4: Simplify right side
    2,905,834.40x = 3,972,074,541,059.52
  5. Step 5: Solve for x
    x = 3,972,074,541,059.52/2,905,834.40
  6. Step 6: Final answer
    x = 1,366,930.80

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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.