Home / 1,658,657.23-2,487,984.01-521,518.86

Finding the Fourth Proportional to 1,658,657.23, 2,487,984.01 and 521,518.86

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Solution

The fourth proportional to 1,658,657.23, 2,487,984.01 and 521,518.86 is: 782,277.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658,657.23 : 2,487,984.01 = 521,518.86 : x
  2. Step 2: Convert to fraction form
    1,658,657.23/2,487,984.01 = 521,518.86/x
  3. Step 3: Cross multiply
    1,658,657.23x = 2,487,984.01 × 521,518.86
  4. Step 4: Simplify right side
    1,658,657.23x = 1,297,530,583,289.63
  5. Step 5: Solve for x
    x = 1,297,530,583,289.63/1,658,657.23
  6. Step 6: Final answer
    x = 782,277.71

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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.