Home / 853,627.39-1,178,003.38-471,651.45

Finding the Fourth Proportional to 853,627.39, 1,178,003.38 and 471,651.45

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Solution

The fourth proportional to 853,627.39, 1,178,003.38 and 471,651.45 is: 650,877.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,627.39 : 1,178,003.38 = 471,651.45 : x
  2. Step 2: Convert to fraction form
    853,627.39/1,178,003.38 = 471,651.45/x
  3. Step 3: Cross multiply
    853,627.39x = 1,178,003.38 × 471,651.45
  4. Step 4: Simplify right side
    853,627.39x = 555,607,002,281.90
  5. Step 5: Solve for x
    x = 555,607,002,281.90/853,627.39
  6. Step 6: Final answer
    x = 650,877.66

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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.