Home / 488,566.10-731,812.35-405,622.10

Finding the Fourth Proportional to 488,566.10, 731,812.35 and 405,622.10

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Solution

The fourth proportional to 488,566.10, 731,812.35 and 405,622.10 is: 607,572.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,566.10 : 731,812.35 = 405,622.10 : x
  2. Step 2: Convert to fraction form
    488,566.10/731,812.35 = 405,622.10/x
  3. Step 3: Cross multiply
    488,566.10x = 731,812.35 × 405,622.10
  4. Step 4: Simplify right side
    488,566.10x = 296,839,262,212.94
  5. Step 5: Solve for x
    x = 296,839,262,212.94/488,566.10
  6. Step 6: Final answer
    x = 607,572.37

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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.