Home / 648,495.27-894,938.63-406,788.03

Finding the Fourth Proportional to 648,495.27, 894,938.63 and 406,788.03

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Solution

The fourth proportional to 648,495.27, 894,938.63 and 406,788.03 is: 561,376.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,495.27 : 894,938.63 = 406,788.03 : x
  2. Step 2: Convert to fraction form
    648,495.27/894,938.63 = 406,788.03/x
  3. Step 3: Cross multiply
    648,495.27x = 894,938.63 × 406,788.03
  4. Step 4: Simplify right side
    648,495.27x = 364,050,320,234.66
  5. Step 5: Solve for x
    x = 364,050,320,234.66/648,495.27
  6. Step 6: Final answer
    x = 561,376.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.