Home / 853,404.71-1,177,598.16-471,408.71

Finding the Fourth Proportional to 853,404.71, 1,177,598.16 and 471,408.71

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Solution

The fourth proportional to 853,404.71, 1,177,598.16 and 471,408.71 is: 650,488.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,404.71 : 1,177,598.16 = 471,408.71 : x
  2. Step 2: Convert to fraction form
    853,404.71/1,177,598.16 = 471,408.71/x
  3. Step 3: Cross multiply
    853,404.71x = 1,177,598.16 × 471,408.71
  4. Step 4: Simplify right side
    853,404.71x = 555,130,023,615.98
  5. Step 5: Solve for x
    x = 555,130,023,615.98/853,404.71
  6. Step 6: Final answer
    x = 650,488.59

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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.