Home / 3,078,390.30-4,617,585.45-834,528.30

Finding the Fourth Proportional to 3,078,390.30, 4,617,585.45 and 834,528.30

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Solution

The fourth proportional to 3,078,390.30, 4,617,585.45 and 834,528.30 is: 1,251,792.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,390.30 : 4,617,585.45 = 834,528.30 : x
  2. Step 2: Convert to fraction form
    3,078,390.30/4,617,585.45 = 834,528.30/x
  3. Step 3: Cross multiply
    3,078,390.30x = 4,617,585.45 × 834,528.30
  4. Step 4: Simplify right side
    3,078,390.30x = 3,853,505,735,693.24
  5. Step 5: Solve for x
    x = 3,853,505,735,693.24/3,078,390.30
  6. Step 6: Final answer
    x = 1,251,792.45

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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.