Home / 585,918.69-808,589.57-331,254.69

Finding the Fourth Proportional to 585,918.69, 808,589.57 and 331,254.69

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Solution

The fourth proportional to 585,918.69, 808,589.57 and 331,254.69 is: 457,143.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,918.69 : 808,589.57 = 331,254.69 : x
  2. Step 2: Convert to fraction form
    585,918.69/808,589.57 = 331,254.69/x
  3. Step 3: Cross multiply
    585,918.69x = 808,589.57 × 331,254.69
  4. Step 4: Simplify right side
    585,918.69x = 267,849,087,347.58
  5. Step 5: Solve for x
    x = 267,849,087,347.58/585,918.69
  6. Step 6: Final answer
    x = 457,143.78

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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.