Home / 4,170,767.20-6,256,150.80-1,478,132.80

Finding the Fourth Proportional to 4,170,767.20, 6,256,150.80 and 1,478,132.80

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Solution

The fourth proportional to 4,170,767.20, 6,256,150.80 and 1,478,132.80 is: 2,217,199.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,170,767.20 : 6,256,150.80 = 1,478,132.80 : x
  2. Step 2: Convert to fraction form
    4,170,767.20/6,256,150.80 = 1,478,132.80/x
  3. Step 3: Cross multiply
    4,170,767.20x = 6,256,150.80 × 1,478,132.80
  4. Step 4: Simplify right side
    4,170,767.20x = 9,247,421,699,226.24
  5. Step 5: Solve for x
    x = 9,247,421,699,226.24/4,170,767.20
  6. Step 6: Final answer
    x = 2,217,199.20

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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.