Home / 822,181.77-1,134,615.39-459,620.91

Finding the Fourth Proportional to 822,181.77, 1,134,615.39 and 459,620.91

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Solution

The fourth proportional to 822,181.77, 1,134,615.39 and 459,620.91 is: 634,279.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,181.77 : 1,134,615.39 = 459,620.91 : x
  2. Step 2: Convert to fraction form
    822,181.77/1,134,615.39 = 459,620.91/x
  3. Step 3: Cross multiply
    822,181.77x = 1,134,615.39 × 459,620.91
  4. Step 4: Simplify right side
    822,181.77x = 521,492,950,080.62
  5. Step 5: Solve for x
    x = 521,492,950,080.62/822,181.77
  6. Step 6: Final answer
    x = 634,279.39

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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.