Home / 853,396.77-1,177,644.24-471,349.74

Finding the Fourth Proportional to 853,396.77, 1,177,644.24 and 471,349.74

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Solution

The fourth proportional to 853,396.77, 1,177,644.24 and 471,349.74 is: 650,438.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,396.77 : 1,177,644.24 = 471,349.74 : x
  2. Step 2: Convert to fraction form
    853,396.77/1,177,644.24 = 471,349.74/x
  3. Step 3: Cross multiply
    853,396.77x = 1,177,644.24 × 471,349.74
  4. Step 4: Simplify right side
    853,396.77x = 555,082,306,336.50
  5. Step 5: Solve for x
    x = 555,082,306,336.50/853,396.77
  6. Step 6: Final answer
    x = 650,438.72

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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.