Home / 828,603.42-1,143,434.93-461,098.73

Finding the Fourth Proportional to 828,603.42, 1,143,434.93 and 461,098.73

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Solution

The fourth proportional to 828,603.42, 1,143,434.93 and 461,098.73 is: 636,295.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,603.42 : 1,143,434.93 = 461,098.73 : x
  2. Step 2: Convert to fraction form
    828,603.42/1,143,434.93 = 461,098.73/x
  3. Step 3: Cross multiply
    828,603.42x = 1,143,434.93 × 461,098.73
  4. Step 4: Simplify right side
    828,603.42x = 527,236,386,037.97
  5. Step 5: Solve for x
    x = 527,236,386,037.97/828,603.42
  6. Step 6: Final answer
    x = 636,295.21

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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.