Home / 458,405.88-686,985.85-173,943.51

Finding the Fourth Proportional to 458,405.88, 686,985.85 and 173,943.51

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Solution

The fourth proportional to 458,405.88, 686,985.85 and 173,943.51 is: 260,678.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,405.88 : 686,985.85 = 173,943.51 : x
  2. Step 2: Convert to fraction form
    458,405.88/686,985.85 = 173,943.51/x
  3. Step 3: Cross multiply
    458,405.88x = 686,985.85 × 173,943.51
  4. Step 4: Simplify right side
    458,405.88x = 119,496,730,069.33
  5. Step 5: Solve for x
    x = 119,496,730,069.33/458,405.88
  6. Step 6: Final answer
    x = 260,678.88

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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.