Home / 827,613.72-1,142,070.50-483,481.51

Finding the Fourth Proportional to 827,613.72, 1,142,070.50 and 483,481.51

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Solution

The fourth proportional to 827,613.72, 1,142,070.50 and 483,481.51 is: 667,183.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,613.72 : 1,142,070.50 = 483,481.51 : x
  2. Step 2: Convert to fraction form
    827,613.72/1,142,070.50 = 483,481.51/x
  3. Step 3: Cross multiply
    827,613.72x = 1,142,070.50 × 483,481.51
  4. Step 4: Simplify right side
    827,613.72x = 552,169,968,219.98
  5. Step 5: Solve for x
    x = 552,169,968,219.98/827,613.72
  6. Step 6: Final answer
    x = 667,183.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.