Home / 853,627.89-1,178,004.07-471,651.95

Finding the Fourth Proportional to 853,627.89, 1,178,004.07 and 471,651.95

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Solution

The fourth proportional to 853,627.89, 1,178,004.07 and 471,651.95 is: 650,878.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,627.89 : 1,178,004.07 = 471,651.95 : x
  2. Step 2: Convert to fraction form
    853,627.89/1,178,004.07 = 471,651.95/x
  3. Step 3: Cross multiply
    853,627.89x = 1,178,004.07 × 471,651.95
  4. Step 4: Simplify right side
    853,627.89x = 555,607,916,723.44
  5. Step 5: Solve for x
    x = 555,607,916,723.44/853,627.89
  6. Step 6: Final answer
    x = 650,878.35

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Double scale
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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.