Home / 853,940.67-1,178,499.14-471,959.25

Finding the Fourth Proportional to 853,940.67, 1,178,499.14 and 471,959.25

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Solution

The fourth proportional to 853,940.67, 1,178,499.14 and 471,959.25 is: 651,337.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,940.67 : 1,178,499.14 = 471,959.25 : x
  2. Step 2: Convert to fraction form
    853,940.67/1,178,499.14 = 471,959.25/x
  3. Step 3: Cross multiply
    853,940.67x = 1,178,499.14 × 471,959.25
  4. Step 4: Simplify right side
    853,940.67x = 556,203,570,240.05
  5. Step 5: Solve for x
    x = 556,203,570,240.05/853,940.67
  6. Step 6: Final answer
    x = 651,337.49

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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.