Home / 585,821.30-808,414.90-331,157.30

Finding the Fourth Proportional to 585,821.30, 808,414.90 and 331,157.30

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Solution

The fourth proportional to 585,821.30, 808,414.90 and 331,157.30 is: 456,986.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,821.30 : 808,414.90 = 331,157.30 : x
  2. Step 2: Convert to fraction form
    585,821.30/808,414.90 = 331,157.30/x
  3. Step 3: Cross multiply
    585,821.30x = 808,414.90 × 331,157.30
  4. Step 4: Simplify right side
    585,821.30x = 267,712,490,693.80
  5. Step 5: Solve for x
    x = 267,712,490,693.80/585,821.30
  6. Step 6: Final answer
    x = 456,986.62

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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.