Home / 866,799.71-1,196,160.58-479,605.04

Finding the Fourth Proportional to 866,799.71, 1,196,160.58 and 479,605.04

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Solution

The fourth proportional to 866,799.71, 1,196,160.58 and 479,605.04 is: 661,842.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,799.71 : 1,196,160.58 = 479,605.04 : x
  2. Step 2: Convert to fraction form
    866,799.71/1,196,160.58 = 479,605.04/x
  3. Step 3: Cross multiply
    866,799.71x = 1,196,160.58 × 479,605.04
  4. Step 4: Simplify right side
    866,799.71x = 573,684,642,817.32
  5. Step 5: Solve for x
    x = 573,684,642,817.32/866,799.71
  6. Step 6: Final answer
    x = 661,842.22

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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.