Home / 382,112.28-572,421.03-314,741.03

Finding the Fourth Proportional to 382,112.28, 572,421.03 and 314,741.03

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Solution

The fourth proportional to 382,112.28, 572,421.03 and 314,741.03 is: 471,495.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,112.28 : 572,421.03 = 314,741.03 : x
  2. Step 2: Convert to fraction form
    382,112.28/572,421.03 = 314,741.03/x
  3. Step 3: Cross multiply
    382,112.28x = 572,421.03 × 314,741.03
  4. Step 4: Simplify right side
    382,112.28x = 180,164,384,575.86
  5. Step 5: Solve for x
    x = 180,164,384,575.86/382,112.28
  6. Step 6: Final answer
    x = 471,495.94

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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.