Home / 822,565.20-1,135,132.20-459,984.90

Finding the Fourth Proportional to 822,565.20, 1,135,132.20 and 459,984.90

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Solution

The fourth proportional to 822,565.20, 1,135,132.20 and 459,984.90 is: 634,774.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,565.20 : 1,135,132.20 = 459,984.90 : x
  2. Step 2: Convert to fraction form
    822,565.20/1,135,132.20 = 459,984.90/x
  3. Step 3: Cross multiply
    822,565.20x = 1,135,132.20 × 459,984.90
  4. Step 4: Simplify right side
    822,565.20x = 522,143,671,503.78
  5. Step 5: Solve for x
    x = 522,143,671,503.78/822,565.20
  6. Step 6: Final answer
    x = 634,774.81

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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.