Home / 1,359,098.40-2,038,647.60-911,200.80

Finding the Fourth Proportional to 1,359,098.40, 2,038,647.60 and 911,200.80

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Solution

The fourth proportional to 1,359,098.40, 2,038,647.60 and 911,200.80 is: 1,366,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,098.40 : 2,038,647.60 = 911,200.80 : x
  2. Step 2: Convert to fraction form
    1,359,098.40/2,038,647.60 = 911,200.80/x
  3. Step 3: Cross multiply
    1,359,098.40x = 2,038,647.60 × 911,200.80
  4. Step 4: Simplify right side
    1,359,098.40x = 1,857,617,324,038.08
  5. Step 5: Solve for x
    x = 1,857,617,324,038.08/1,359,098.40
  6. Step 6: Final answer
    x = 1,366,801.20

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Double scale
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Similar ratio
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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.