Home / 1,291,520.12-1,937,260.74-581,046.44

Finding the Fourth Proportional to 1,291,520.12, 1,937,260.74 and 581,046.44

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Solution

The fourth proportional to 1,291,520.12, 1,937,260.74 and 581,046.44 is: 871,560.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,520.12 : 1,937,260.74 = 581,046.44 : x
  2. Step 2: Convert to fraction form
    1,291,520.12/1,937,260.74 = 581,046.44/x
  3. Step 3: Cross multiply
    1,291,520.12x = 1,937,260.74 × 581,046.44
  4. Step 4: Simplify right side
    1,291,520.12x = 1,125,638,456,328.77
  5. Step 5: Solve for x
    x = 1,125,638,456,328.77/1,291,520.12
  6. Step 6: Final answer
    x = 871,560.91

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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.