Home / 575,029.48-861,438.73-321,541.14

Finding the Fourth Proportional to 575,029.48, 861,438.73 and 321,541.14

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Solution

The fourth proportional to 575,029.48, 861,438.73 and 321,541.14 is: 481,693.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,029.48 : 861,438.73 = 321,541.14 : x
  2. Step 2: Convert to fraction form
    575,029.48/861,438.73 = 321,541.14/x
  3. Step 3: Cross multiply
    575,029.48x = 861,438.73 × 321,541.14
  4. Step 4: Simplify right side
    575,029.48x = 276,987,991,284.35
  5. Step 5: Solve for x
    x = 276,987,991,284.35/575,029.48
  6. Step 6: Final answer
    x = 481,693.55

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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.