Home / 525,254.13-787,897.17-205,393.23

Finding the Fourth Proportional to 525,254.13, 787,897.17 and 205,393.23

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Solution

The fourth proportional to 525,254.13, 787,897.17 and 205,393.23 is: 308,096.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,254.13 : 787,897.17 = 205,393.23 : x
  2. Step 2: Convert to fraction form
    525,254.13/787,897.17 = 205,393.23/x
  3. Step 3: Cross multiply
    525,254.13x = 787,897.17 × 205,393.23
  4. Step 4: Simplify right side
    525,254.13x = 161,828,744,654.16
  5. Step 5: Solve for x
    x = 161,828,744,654.16/525,254.13
  6. Step 6: Final answer
    x = 308,096.09

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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.