Home / 585,935.10-808,586.55-331,287.30

Finding the Fourth Proportional to 585,935.10, 808,586.55 and 331,287.30

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Solution

The fourth proportional to 585,935.10, 808,586.55 and 331,287.30 is: 457,174.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,935.10 : 808,586.55 = 331,287.30 : x
  2. Step 2: Convert to fraction form
    585,935.10/808,586.55 = 331,287.30/x
  3. Step 3: Cross multiply
    585,935.10x = 808,586.55 × 331,287.30
  4. Step 4: Simplify right side
    585,935.10x = 267,874,454,965.82
  5. Step 5: Solve for x
    x = 267,874,454,965.82/585,935.10
  6. Step 6: Final answer
    x = 457,174.28

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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.