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Finding the Fourth Proportional to 996,806.10, 1,495,209.15 and 888,978.90

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Solution

The fourth proportional to 996,806.10, 1,495,209.15 and 888,978.90 is: 1,333,468.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,806.10 : 1,495,209.15 = 888,978.90 : x
  2. Step 2: Convert to fraction form
    996,806.10/1,495,209.15 = 888,978.90/x
  3. Step 3: Cross multiply
    996,806.10x = 1,495,209.15 × 888,978.90
  4. Step 4: Simplify right side
    996,806.10x = 1,329,209,385,436.94
  5. Step 5: Solve for x
    x = 1,329,209,385,436.94/996,806.10
  6. Step 6: Final answer
    x = 1,333,468.35

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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.