Home / 940,856.20-1,409,210.70-816,440.20

Finding the Fourth Proportional to 940,856.20, 1,409,210.70 and 816,440.20

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Solution

The fourth proportional to 940,856.20, 1,409,210.70 and 816,440.20 is: 1,222,860.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,856.20 : 1,409,210.70 = 816,440.20 : x
  2. Step 2: Convert to fraction form
    940,856.20/1,409,210.70 = 816,440.20/x
  3. Step 3: Cross multiply
    940,856.20x = 1,409,210.70 × 816,440.20
  4. Step 4: Simplify right side
    940,856.20x = 1,150,536,265,750.14
  5. Step 5: Solve for x
    x = 1,150,536,265,750.14/940,856.20
  6. Step 6: Final answer
    x = 1,222,860.91

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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.