Home / 670,401.36-1,006,082.37-243,936.36

Finding the Fourth Proportional to 670,401.36, 1,006,082.37 and 243,936.36

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Solution

The fourth proportional to 670,401.36, 1,006,082.37 and 243,936.36 is: 366,079.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,401.36 : 1,006,082.37 = 243,936.36 : x
  2. Step 2: Convert to fraction form
    670,401.36/1,006,082.37 = 243,936.36/x
  3. Step 3: Cross multiply
    670,401.36x = 1,006,082.37 × 243,936.36
  4. Step 4: Simplify right side
    670,401.36x = 245,420,071,197.97
  5. Step 5: Solve for x
    x = 245,420,071,197.97/670,401.36
  6. Step 6: Final answer
    x = 366,079.32

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1.5x scale

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.