Home / 822,562.20-1,135,128.06-459,981.90

Finding the Fourth Proportional to 822,562.20, 1,135,128.06 and 459,981.90

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Solution

The fourth proportional to 822,562.20, 1,135,128.06 and 459,981.90 is: 634,770.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,562.20 : 1,135,128.06 = 459,981.90 : x
  2. Step 2: Convert to fraction form
    822,562.20/1,135,128.06 = 459,981.90/x
  3. Step 3: Cross multiply
    822,562.20x = 1,135,128.06 × 459,981.90
  4. Step 4: Simplify right side
    822,562.20x = 522,138,361,782.11
  5. Step 5: Solve for x
    x = 522,138,361,782.11/822,562.20
  6. Step 6: Final answer
    x = 634,770.67

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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.