Home / 380,726.19-571,090.59-96,416.64

Finding the Fourth Proportional to 380,726.19, 571,090.59 and 96,416.64

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Solution

The fourth proportional to 380,726.19, 571,090.59 and 96,416.64 is: 144,625.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,726.19 : 571,090.59 = 96,416.64 : x
  2. Step 2: Convert to fraction form
    380,726.19/571,090.59 = 96,416.64/x
  3. Step 3: Cross multiply
    380,726.19x = 571,090.59 × 96,416.64
  4. Step 4: Simplify right side
    380,726.19x = 55,062,635,823.42
  5. Step 5: Solve for x
    x = 55,062,635,823.42/380,726.19
  6. Step 6: Final answer
    x = 144,625.29

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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.