Home / 866,081.44-1,299,038.63-266,881.71

Finding the Fourth Proportional to 866,081.44, 1,299,038.63 and 266,881.71

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Solution

The fourth proportional to 866,081.44, 1,299,038.63 and 266,881.71 is: 400,296.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,081.44 : 1,299,038.63 = 266,881.71 : x
  2. Step 2: Convert to fraction form
    866,081.44/1,299,038.63 = 266,881.71/x
  3. Step 3: Cross multiply
    866,081.44x = 1,299,038.63 × 266,881.71
  4. Step 4: Simplify right side
    866,081.44x = 346,689,650,930.46
  5. Step 5: Solve for x
    x = 346,689,650,930.46/866,081.44
  6. Step 6: Final answer
    x = 400,296.83

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1.5x scale

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.