Home / 811,091.90-1,214,086.88-556,884.74

Finding the Fourth Proportional to 811,091.90, 1,214,086.88 and 556,884.74

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Solution

The fourth proportional to 811,091.90, 1,214,086.88 and 556,884.74 is: 833,575.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,091.90 : 1,214,086.88 = 556,884.74 : x
  2. Step 2: Convert to fraction form
    811,091.90/1,214,086.88 = 556,884.74/x
  3. Step 3: Cross multiply
    811,091.90x = 1,214,086.88 × 556,884.74
  4. Step 4: Simplify right side
    811,091.90x = 676,106,456,506.21
  5. Step 5: Solve for x
    x = 676,106,456,506.21/811,091.90
  6. Step 6: Final answer
    x = 833,575.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.