Home / 875,644.20-1,313,466.30-314,735.40

Finding the Fourth Proportional to 875,644.20, 1,313,466.30 and 314,735.40

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Solution

The fourth proportional to 875,644.20, 1,313,466.30 and 314,735.40 is: 472,103.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,644.20 : 1,313,466.30 = 314,735.40 : x
  2. Step 2: Convert to fraction form
    875,644.20/1,313,466.30 = 314,735.40/x
  3. Step 3: Cross multiply
    875,644.20x = 1,313,466.30 × 314,735.40
  4. Step 4: Simplify right side
    875,644.20x = 413,394,341,317.02
  5. Step 5: Solve for x
    x = 413,394,341,317.02/875,644.20
  6. Step 6: Final answer
    x = 472,103.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.