Home / 1,077,626.80-1,616,440.20-368,455.60

Finding the Fourth Proportional to 1,077,626.80, 1,616,440.20 and 368,455.60

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Solution

The fourth proportional to 1,077,626.80, 1,616,440.20 and 368,455.60 is: 552,683.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,626.80 : 1,616,440.20 = 368,455.60 : x
  2. Step 2: Convert to fraction form
    1,077,626.80/1,616,440.20 = 368,455.60/x
  3. Step 3: Cross multiply
    1,077,626.80x = 1,616,440.20 × 368,455.60
  4. Step 4: Simplify right side
    1,077,626.80x = 595,586,443,755.12
  5. Step 5: Solve for x
    x = 595,586,443,755.12/1,077,626.80
  6. Step 6: Final answer
    x = 552,683.40

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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.