Home / 943,409.60-1,415,694.57-374,691.20

Finding the Fourth Proportional to 943,409.60, 1,415,694.57 and 374,691.20

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Solution

The fourth proportional to 943,409.60, 1,415,694.57 and 374,691.20 is: 562,267.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,409.60 : 1,415,694.57 = 374,691.20 : x
  2. Step 2: Convert to fraction form
    943,409.60/1,415,694.57 = 374,691.20/x
  3. Step 3: Cross multiply
    943,409.60x = 1,415,694.57 × 374,691.20
  4. Step 4: Simplify right side
    943,409.60x = 530,448,297,266.78
  5. Step 5: Solve for x
    x = 530,448,297,266.78/943,409.60
  6. Step 6: Final answer
    x = 562,267.22

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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.