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Finding the Fourth Proportional to 1,094,943.60, 1,641,702.60 and 982,969.20

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Solution

The fourth proportional to 1,094,943.60, 1,641,702.60 and 982,969.20 is: 1,473,813.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094,943.60 : 1,641,702.60 = 982,969.20 : x
  2. Step 2: Convert to fraction form
    1,094,943.60/1,641,702.60 = 982,969.20/x
  3. Step 3: Cross multiply
    1,094,943.60x = 1,641,702.60 × 982,969.20
  4. Step 4: Simplify right side
    1,094,943.60x = 1,613,743,091,359.92
  5. Step 5: Solve for x
    x = 1,613,743,091,359.92/1,094,943.60
  6. Step 6: Final answer
    x = 1,473,813.89

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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.