Home / 810,986.16-1,119,299.40-471,654.48

Finding the Fourth Proportional to 810,986.16, 1,119,299.40 and 471,654.48

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Solution

The fourth proportional to 810,986.16, 1,119,299.40 and 471,654.48 is: 650,963.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,986.16 : 1,119,299.40 = 471,654.48 : x
  2. Step 2: Convert to fraction form
    810,986.16/1,119,299.40 = 471,654.48/x
  3. Step 3: Cross multiply
    810,986.16x = 1,119,299.40 × 471,654.48
  4. Step 4: Simplify right side
    810,986.16x = 527,922,576,471.31
  5. Step 5: Solve for x
    x = 527,922,576,471.31/810,986.16
  6. Step 6: Final answer
    x = 650,963.73

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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.