Home / 1,869,234.22-2,803,914.51-521,429.86

Finding the Fourth Proportional to 1,869,234.22, 2,803,914.51 and 521,429.86

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Solution

The fourth proportional to 1,869,234.22, 2,803,914.51 and 521,429.86 is: 782,162.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,234.22 : 2,803,914.51 = 521,429.86 : x
  2. Step 2: Convert to fraction form
    1,869,234.22/2,803,914.51 = 521,429.86/x
  3. Step 3: Cross multiply
    1,869,234.22x = 2,803,914.51 × 521,429.86
  4. Step 4: Simplify right side
    1,869,234.22x = 1,462,044,750,401.27
  5. Step 5: Solve for x
    x = 1,462,044,750,401.27/1,869,234.22
  6. Step 6: Final answer
    x = 782,162.41

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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.