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Finding the Fourth Proportional to 996,807.10, 1,495,210.65 and 888,979.90

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Solution

The fourth proportional to 996,807.10, 1,495,210.65 and 888,979.90 is: 1,333,469.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,807.10 : 1,495,210.65 = 888,979.90 : x
  2. Step 2: Convert to fraction form
    996,807.10/1,495,210.65 = 888,979.90/x
  3. Step 3: Cross multiply
    996,807.10x = 1,495,210.65 × 888,979.90
  4. Step 4: Simplify right side
    996,807.10x = 1,329,212,214,115.94
  5. Step 5: Solve for x
    x = 1,329,212,214,115.94/996,807.10
  6. Step 6: Final answer
    x = 1,333,469.85

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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.