Home / 1,478,945.26-2,218,417.89-481,673.26

Finding the Fourth Proportional to 1,478,945.26, 2,218,417.89 and 481,673.26

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Solution

The fourth proportional to 1,478,945.26, 2,218,417.89 and 481,673.26 is: 722,509.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,945.26 : 2,218,417.89 = 481,673.26 : x
  2. Step 2: Convert to fraction form
    1,478,945.26/2,218,417.89 = 481,673.26/x
  3. Step 3: Cross multiply
    1,478,945.26x = 2,218,417.89 × 481,673.26
  4. Step 4: Simplify right side
    1,478,945.26x = 1,068,552,577,118.62
  5. Step 5: Solve for x
    x = 1,068,552,577,118.62/1,478,945.26
  6. Step 6: Final answer
    x = 722,509.89

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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.