Home / 740,448.74-1,110,206.55-628,168.16

Finding the Fourth Proportional to 740,448.74, 1,110,206.55 and 628,168.16

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Solution

The fourth proportional to 740,448.74, 1,110,206.55 and 628,168.16 is: 941,856.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,448.74 : 1,110,206.55 = 628,168.16 : x
  2. Step 2: Convert to fraction form
    740,448.74/1,110,206.55 = 628,168.16/x
  3. Step 3: Cross multiply
    740,448.74x = 1,110,206.55 × 628,168.16
  4. Step 4: Simplify right side
    740,448.74x = 697,396,410,864.60
  5. Step 5: Solve for x
    x = 697,396,410,864.60/740,448.74
  6. Step 6: Final answer
    x = 941,856.43

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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.