Home / 856,369.02-1,181,790.17-463,902.90

Finding the Fourth Proportional to 856,369.02, 1,181,790.17 and 463,902.90

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Solution

The fourth proportional to 856,369.02, 1,181,790.17 and 463,902.90 is: 640,186.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,369.02 : 1,181,790.17 = 463,902.90 : x
  2. Step 2: Convert to fraction form
    856,369.02/1,181,790.17 = 463,902.90/x
  3. Step 3: Cross multiply
    856,369.02x = 1,181,790.17 × 463,902.90
  4. Step 4: Simplify right side
    856,369.02x = 548,235,882,042.90
  5. Step 5: Solve for x
    x = 548,235,882,042.90/856,369.02
  6. Step 6: Final answer
    x = 640,186.49

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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.