Home / 1,472,646.16-2,032,211.10-828,049.78

Finding the Fourth Proportional to 1,472,646.16, 2,032,211.10 and 828,049.78

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Solution

The fourth proportional to 1,472,646.16, 2,032,211.10 and 828,049.78 is: 1,142,685.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,646.16 : 2,032,211.10 = 828,049.78 : x
  2. Step 2: Convert to fraction form
    1,472,646.16/2,032,211.10 = 828,049.78/x
  3. Step 3: Cross multiply
    1,472,646.16x = 2,032,211.10 × 828,049.78
  4. Step 4: Simplify right side
    1,472,646.16x = 1,682,771,954,268.56
  5. Step 5: Solve for x
    x = 1,682,771,954,268.56/1,472,646.16
  6. Step 6: Final answer
    x = 1,142,685.87

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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.