Home / 1,101,465.74-1,651,824.45-381,639.46

Finding the Fourth Proportional to 1,101,465.74, 1,651,824.45 and 381,639.46

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Solution

The fourth proportional to 1,101,465.74, 1,651,824.45 and 381,639.46 is: 572,329.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,465.74 : 1,651,824.45 = 381,639.46 : x
  2. Step 2: Convert to fraction form
    1,101,465.74/1,651,824.45 = 381,639.46/x
  3. Step 3: Cross multiply
    1,101,465.74x = 1,651,824.45 × 381,639.46
  4. Step 4: Simplify right side
    1,101,465.74x = 630,401,382,853.68
  5. Step 5: Solve for x
    x = 630,401,382,853.68/1,101,465.74
  6. Step 6: Final answer
    x = 572,329.54

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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.