Home / 777,401.24-1,072,447.17-454,913.51

Finding the Fourth Proportional to 777,401.24, 1,072,447.17 and 454,913.51

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Solution

The fourth proportional to 777,401.24, 1,072,447.17 and 454,913.51 is: 627,566.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,401.24 : 1,072,447.17 = 454,913.51 : x
  2. Step 2: Convert to fraction form
    777,401.24/1,072,447.17 = 454,913.51/x
  3. Step 3: Cross multiply
    777,401.24x = 1,072,447.17 × 454,913.51
  4. Step 4: Simplify right side
    777,401.24x = 487,870,706,394.27
  5. Step 5: Solve for x
    x = 487,870,706,394.27/777,401.24
  6. Step 6: Final answer
    x = 627,566.15

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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.