Home / 866,101.29-1,299,068.29-266,901.56

Finding the Fourth Proportional to 866,101.29, 1,299,068.29 and 266,901.56

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Solution

The fourth proportional to 866,101.29, 1,299,068.29 and 266,901.56 is: 400,326.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,101.29 : 1,299,068.29 = 266,901.56 : x
  2. Step 2: Convert to fraction form
    866,101.29/1,299,068.29 = 266,901.56/x
  3. Step 3: Cross multiply
    866,101.29x = 1,299,068.29 × 266,901.56
  4. Step 4: Simplify right side
    866,101.29x = 346,723,353,147.53
  5. Step 5: Solve for x
    x = 346,723,353,147.53/866,101.29
  6. Step 6: Final answer
    x = 400,326.56

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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.