Home / 1,429,416.48-2,143,670.03-469,650.86

Finding the Fourth Proportional to 1,429,416.48, 2,143,670.03 and 469,650.86

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Solution

The fourth proportional to 1,429,416.48, 2,143,670.03 and 469,650.86 is: 704,326.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,416.48 : 2,143,670.03 = 469,650.86 : x
  2. Step 2: Convert to fraction form
    1,429,416.48/2,143,670.03 = 469,650.86/x
  3. Step 3: Cross multiply
    1,429,416.48x = 2,143,670.03 × 469,650.86
  4. Step 4: Simplify right side
    1,429,416.48x = 1,006,776,469,879.07
  5. Step 5: Solve for x
    x = 1,006,776,469,879.07/1,429,416.48
  6. Step 6: Final answer
    x = 704,326.89

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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.