Home / 822,181.52-1,134,615.04-459,620.66

Finding the Fourth Proportional to 822,181.52, 1,134,615.04 and 459,620.66

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Solution

The fourth proportional to 822,181.52, 1,134,615.04 and 459,620.66 is: 634,279.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,181.52 : 1,134,615.04 = 459,620.66 : x
  2. Step 2: Convert to fraction form
    822,181.52/1,134,615.04 = 459,620.66/x
  3. Step 3: Cross multiply
    822,181.52x = 1,134,615.04 × 459,620.66
  4. Step 4: Simplify right side
    822,181.52x = 521,492,507,857.65
  5. Step 5: Solve for x
    x = 521,492,507,857.65/822,181.52
  6. Step 6: Final answer
    x = 634,279.05

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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.