Home / 828,673.62-1,143,671.04-466,112.76

Finding the Fourth Proportional to 828,673.62, 1,143,671.04 and 466,112.76

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Solution

The fourth proportional to 828,673.62, 1,143,671.04 and 466,112.76 is: 643,292.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,673.62 : 1,143,671.04 = 466,112.76 : x
  2. Step 2: Convert to fraction form
    828,673.62/1,143,671.04 = 466,112.76/x
  3. Step 3: Cross multiply
    828,673.62x = 1,143,671.04 × 466,112.76
  4. Step 4: Simplify right side
    828,673.62x = 533,079,664,986.47
  5. Step 5: Solve for x
    x = 533,079,664,986.47/828,673.62
  6. Step 6: Final answer
    x = 643,292.67

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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.