Home / 798,748.86-1,100,400.12-556,591.98

Finding the Fourth Proportional to 798,748.86, 1,100,400.12 and 556,591.98

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Solution

The fourth proportional to 798,748.86, 1,100,400.12 and 556,591.98 is: 766,791.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,748.86 : 1,100,400.12 = 556,591.98 : x
  2. Step 2: Convert to fraction form
    798,748.86/1,100,400.12 = 556,591.98/x
  3. Step 3: Cross multiply
    798,748.86x = 1,100,400.12 × 556,591.98
  4. Step 4: Simplify right side
    798,748.86x = 612,473,881,583.04
  5. Step 5: Solve for x
    x = 612,473,881,583.04/798,748.86
  6. Step 6: Final answer
    x = 766,791.56

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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.