Home / 399,004.18-598,726.59-162,513.34

Finding the Fourth Proportional to 399,004.18, 598,726.59 and 162,513.34

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Solution

The fourth proportional to 399,004.18, 598,726.59 and 162,513.34 is: 243,859.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,004.18 : 598,726.59 = 162,513.34 : x
  2. Step 2: Convert to fraction form
    399,004.18/598,726.59 = 162,513.34/x
  3. Step 3: Cross multiply
    399,004.18x = 598,726.59 × 162,513.34
  4. Step 4: Simplify right side
    399,004.18x = 97,301,057,887.71
  5. Step 5: Solve for x
    x = 97,301,057,887.71/399,004.18
  6. Step 6: Final answer
    x = 243,859.75

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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.