Home / 469,923.65-648,788.24-323,001.45

Finding the Fourth Proportional to 469,923.65, 648,788.24 and 323,001.45

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Solution

The fourth proportional to 469,923.65, 648,788.24 and 323,001.45 is: 445,943.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,923.65 : 648,788.24 = 323,001.45 : x
  2. Step 2: Convert to fraction form
    469,923.65/648,788.24 = 323,001.45/x
  3. Step 3: Cross multiply
    469,923.65x = 648,788.24 × 323,001.45
  4. Step 4: Simplify right side
    469,923.65x = 209,559,541,699.96
  5. Step 5: Solve for x
    x = 209,559,541,699.96/469,923.65
  6. Step 6: Final answer
    x = 445,943.81

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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.