Home / 673,020.97-929,111.80-519,715.01

Finding the Fourth Proportional to 673,020.97, 929,111.80 and 519,715.01

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Solution

The fourth proportional to 673,020.97, 929,111.80 and 519,715.01 is: 717,471.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,020.97 : 929,111.80 = 519,715.01 : x
  2. Step 2: Convert to fraction form
    673,020.97/929,111.80 = 519,715.01/x
  3. Step 3: Cross multiply
    673,020.97x = 929,111.80 × 519,715.01
  4. Step 4: Simplify right side
    673,020.97x = 482,873,342,954.72
  5. Step 5: Solve for x
    x = 482,873,342,954.72/673,020.97
  6. Step 6: Final answer
    x = 717,471.46

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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.