Home / 529,110.47-729,966.66-299,615.06

Finding the Fourth Proportional to 529,110.47, 729,966.66 and 299,615.06

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Solution

The fourth proportional to 529,110.47, 729,966.66 and 299,615.06 is: 413,352.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,110.47 : 729,966.66 = 299,615.06 : x
  2. Step 2: Convert to fraction form
    529,110.47/729,966.66 = 299,615.06/x
  3. Step 3: Cross multiply
    529,110.47x = 729,966.66 × 299,615.06
  4. Step 4: Simplify right side
    529,110.47x = 218,709,004,633.90
  5. Step 5: Solve for x
    x = 218,709,004,633.90/529,110.47
  6. Step 6: Final answer
    x = 413,352.25

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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.