Home / 433,861.16-598,419.78-398,166.44

Finding the Fourth Proportional to 433,861.16, 598,419.78 and 398,166.44

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Solution

The fourth proportional to 433,861.16, 598,419.78 and 398,166.44 is: 549,186.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,861.16 : 598,419.78 = 398,166.44 : x
  2. Step 2: Convert to fraction form
    433,861.16/598,419.78 = 398,166.44/x
  3. Step 3: Cross multiply
    433,861.16x = 598,419.78 × 398,166.44
  4. Step 4: Simplify right side
    433,861.16x = 238,270,673,428.18
  5. Step 5: Solve for x
    x = 238,270,673,428.18/433,861.16
  6. Step 6: Final answer
    x = 549,186.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.