Home / 828,915.48-1,143,856.44-466,354.62

Finding the Fourth Proportional to 828,915.48, 1,143,856.44 and 466,354.62

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Solution

The fourth proportional to 828,915.48, 1,143,856.44 and 466,354.62 is: 643,542.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,915.48 : 1,143,856.44 = 466,354.62 : x
  2. Step 2: Convert to fraction form
    828,915.48/1,143,856.44 = 466,354.62/x
  3. Step 3: Cross multiply
    828,915.48x = 1,143,856.44 × 466,354.62
  4. Step 4: Simplify right side
    828,915.48x = 533,442,735,410.75
  5. Step 5: Solve for x
    x = 533,442,735,410.75/828,915.48
  6. Step 6: Final answer
    x = 643,542.98

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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.