Home / 1,272,003.26-1,908,879.70-524,049.26

Finding the Fourth Proportional to 1,272,003.26, 1,908,879.70 and 524,049.26

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Solution

The fourth proportional to 1,272,003.26, 1,908,879.70 and 524,049.26 is: 786,434.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,003.26 : 1,908,879.70 = 524,049.26 : x
  2. Step 2: Convert to fraction form
    1,272,003.26/1,908,879.70 = 524,049.26/x
  3. Step 3: Cross multiply
    1,272,003.26x = 1,908,879.70 × 524,049.26
  4. Step 4: Simplify right side
    1,272,003.26x = 1,000,346,994,214.02
  5. Step 5: Solve for x
    x = 1,000,346,994,214.02/1,272,003.26
  6. Step 6: Final answer
    x = 786,434.30

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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.