Home / 684,614.38-944,756.19-378,690.52

Finding the Fourth Proportional to 684,614.38, 944,756.19 and 378,690.52

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Solution

The fourth proportional to 684,614.38, 944,756.19 and 378,690.52 is: 522,586.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,614.38 : 944,756.19 = 378,690.52 : x
  2. Step 2: Convert to fraction form
    684,614.38/944,756.19 = 378,690.52/x
  3. Step 3: Cross multiply
    684,614.38x = 944,756.19 × 378,690.52
  4. Step 4: Simplify right side
    684,614.38x = 357,770,212,864.32
  5. Step 5: Solve for x
    x = 357,770,212,864.32/684,614.38
  6. Step 6: Final answer
    x = 522,586.47

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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.