Home / 490,024.34-734,052.35-223,418.11

Finding the Fourth Proportional to 490,024.34, 734,052.35 and 223,418.11

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Solution

The fourth proportional to 490,024.34, 734,052.35 and 223,418.11 is: 334,678.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,024.34 : 734,052.35 = 223,418.11 : x
  2. Step 2: Convert to fraction form
    490,024.34/734,052.35 = 223,418.11/x
  3. Step 3: Cross multiply
    490,024.34x = 734,052.35 × 223,418.11
  4. Step 4: Simplify right side
    490,024.34x = 164,000,587,401.47
  5. Step 5: Solve for x
    x = 164,000,587,401.47/490,024.34
  6. Step 6: Final answer
    x = 334,678.45

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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.