Home / 946,439.06-1,306,079.17-516,719.21

Finding the Fourth Proportional to 946,439.06, 1,306,079.17 and 516,719.21

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Solution

The fourth proportional to 946,439.06, 1,306,079.17 and 516,719.21 is: 713,068.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,439.06 : 1,306,079.17 = 516,719.21 : x
  2. Step 2: Convert to fraction form
    946,439.06/1,306,079.17 = 516,719.21/x
  3. Step 3: Cross multiply
    946,439.06x = 1,306,079.17 × 516,719.21
  4. Step 4: Simplify right side
    946,439.06x = 674,876,189,097.66
  5. Step 5: Solve for x
    x = 674,876,189,097.66/946,439.06
  6. Step 6: Final answer
    x = 713,068.83

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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.