Home / 822,572.34-1,135,142.02-459,992.04

Finding the Fourth Proportional to 822,572.34, 1,135,142.02 and 459,992.04

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Solution

The fourth proportional to 822,572.34, 1,135,142.02 and 459,992.04 is: 634,784.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,572.34 : 1,135,142.02 = 459,992.04 : x
  2. Step 2: Convert to fraction form
    822,572.34/1,135,142.02 = 459,992.04/x
  3. Step 3: Cross multiply
    822,572.34x = 1,135,142.02 × 459,992.04
  4. Step 4: Simplify right side
    822,572.34x = 522,156,293,469.52
  5. Step 5: Solve for x
    x = 522,156,293,469.52/822,572.34
  6. Step 6: Final answer
    x = 634,784.65

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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.