Home / 866,233.06-1,298,758.29-461,485.78

Finding the Fourth Proportional to 866,233.06, 1,298,758.29 and 461,485.78

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Solution

The fourth proportional to 866,233.06, 1,298,758.29 and 461,485.78 is: 691,913.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,233.06 : 1,298,758.29 = 461,485.78 : x
  2. Step 2: Convert to fraction form
    866,233.06/1,298,758.29 = 461,485.78/x
  3. Step 3: Cross multiply
    866,233.06x = 1,298,758.29 × 461,485.78
  4. Step 4: Simplify right side
    866,233.06x = 599,358,482,492.12
  5. Step 5: Solve for x
    x = 599,358,482,492.12/866,233.06
  6. Step 6: Final answer
    x = 691,913.65

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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.