Home / 853,939.67-1,178,497.76-471,958.25

Finding the Fourth Proportional to 853,939.67, 1,178,497.76 and 471,958.25

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Solution

The fourth proportional to 853,939.67, 1,178,497.76 and 471,958.25 is: 651,336.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,939.67 : 1,178,497.76 = 471,958.25 : x
  2. Step 2: Convert to fraction form
    853,939.67/1,178,497.76 = 471,958.25/x
  3. Step 3: Cross multiply
    853,939.67x = 1,178,497.76 × 471,958.25
  4. Step 4: Simplify right side
    853,939.67x = 556,201,732,186.24
  5. Step 5: Solve for x
    x = 556,201,732,186.24/853,939.67
  6. Step 6: Final answer
    x = 651,336.10

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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.