Home / 403,082.30-555,967.72-342,233.22

Finding the Fourth Proportional to 403,082.30, 555,967.72 and 342,233.22

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Solution

The fourth proportional to 403,082.30, 555,967.72 and 342,233.22 is: 472,039.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,082.30 : 555,967.72 = 342,233.22 : x
  2. Step 2: Convert to fraction form
    403,082.30/555,967.72 = 342,233.22/x
  3. Step 3: Cross multiply
    403,082.30x = 555,967.72 × 342,233.22
  4. Step 4: Simplify right side
    403,082.30x = 190,270,623,031.66
  5. Step 5: Solve for x
    x = 190,270,623,031.66/403,082.30
  6. Step 6: Final answer
    x = 472,039.14

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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.