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Finding the Fourth Proportional to 1,169,262.72, 1,753,779.15 and 792,603

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Solution

The fourth proportional to 1,169,262.72, 1,753,779.15 and 792,603 is: 1,188,826.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,262.72 : 1,753,779.15 = 792,603 : x
  2. Step 2: Convert to fraction form
    1,169,262.72/1,753,779.15 = 792,603/x
  3. Step 3: Cross multiply
    1,169,262.72x = 1,753,779.15 × 792,603
  4. Step 4: Simplify right side
    1,169,262.72x = 1,390,050,615,627.45
  5. Step 5: Solve for x
    x = 1,390,050,615,627.45/1,169,262.72
  6. Step 6: Final answer
    x = 1,188,826.59

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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.