Home / 725,465.28-1,001,062.53-419,495.48

Finding the Fourth Proportional to 725,465.28, 1,001,062.53 and 419,495.48

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Solution

The fourth proportional to 725,465.28, 1,001,062.53 and 419,495.48 is: 578,857.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,465.28 : 1,001,062.53 = 419,495.48 : x
  2. Step 2: Convert to fraction form
    725,465.28/1,001,062.53 = 419,495.48/x
  3. Step 3: Cross multiply
    725,465.28x = 1,001,062.53 × 419,495.48
  4. Step 4: Simplify right side
    725,465.28x = 419,941,206,532.36
  5. Step 5: Solve for x
    x = 419,941,206,532.36/725,465.28
  6. Step 6: Final answer
    x = 578,857.76

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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.