Home / 828,800.24-1,143,636.72-466,211.84

Finding the Fourth Proportional to 828,800.24, 1,143,636.72 and 466,211.84

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Solution

The fourth proportional to 828,800.24, 1,143,636.72 and 466,211.84 is: 643,311.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,800.24 : 1,143,636.72 = 466,211.84 : x
  2. Step 2: Convert to fraction form
    828,800.24/1,143,636.72 = 466,211.84/x
  3. Step 3: Cross multiply
    828,800.24x = 1,143,636.72 × 466,211.84
  4. Step 4: Simplify right side
    828,800.24x = 533,176,979,522.77
  5. Step 5: Solve for x
    x = 533,176,979,522.77/828,800.24
  6. Step 6: Final answer
    x = 643,311.81

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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.