Home / 1,125,269.06-1,687,359.27-415,631.30

Finding the Fourth Proportional to 1,125,269.06, 1,687,359.27 and 415,631.30

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Solution

The fourth proportional to 1,125,269.06, 1,687,359.27 and 415,631.30 is: 623,245.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,269.06 : 1,687,359.27 = 415,631.30 : x
  2. Step 2: Convert to fraction form
    1,125,269.06/1,687,359.27 = 415,631.30/x
  3. Step 3: Cross multiply
    1,125,269.06x = 1,687,359.27 × 415,631.30
  4. Step 4: Simplify right side
    1,125,269.06x = 701,319,326,957.15
  5. Step 5: Solve for x
    x = 701,319,326,957.15/1,125,269.06
  6. Step 6: Final answer
    x = 623,245.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.