Home / 440,829-608,395.32-247,290.12

Finding the Fourth Proportional to 440,829, 608,395.32 and 247,290.12

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Solution

The fourth proportional to 440,829, 608,395.32 and 247,290.12 is: 341,289.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,829 : 608,395.32 = 247,290.12 : x
  2. Step 2: Convert to fraction form
    440,829/608,395.32 = 247,290.12/x
  3. Step 3: Cross multiply
    440,829x = 608,395.32 × 247,290.12
  4. Step 4: Simplify right side
    440,829x = 150,450,151,690.24
  5. Step 5: Solve for x
    x = 150,450,151,690.24/440,829
  6. Step 6: Final answer
    x = 341,289.14

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1.5x scale

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.