Home / 828,515.52-1,143,390.18-460,994.70

Finding the Fourth Proportional to 828,515.52, 1,143,390.18 and 460,994.70

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Solution

The fourth proportional to 828,515.52, 1,143,390.18 and 460,994.70 is: 636,194.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,515.52 : 1,143,390.18 = 460,994.70 : x
  2. Step 2: Convert to fraction form
    828,515.52/1,143,390.18 = 460,994.70/x
  3. Step 3: Cross multiply
    828,515.52x = 1,143,390.18 × 460,994.70
  4. Step 4: Simplify right side
    828,515.52x = 527,096,813,012.05
  5. Step 5: Solve for x
    x = 527,096,813,012.05/828,515.52
  6. Step 6: Final answer
    x = 636,194.25

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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.