Home / 378,727.53-522,833.38-235,533.71

Finding the Fourth Proportional to 378,727.53, 522,833.38 and 235,533.71

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Solution

The fourth proportional to 378,727.53, 522,833.38 and 235,533.71 is: 325,154.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,727.53 : 522,833.38 = 235,533.71 : x
  2. Step 2: Convert to fraction form
    378,727.53/522,833.38 = 235,533.71/x
  3. Step 3: Cross multiply
    378,727.53x = 522,833.38 × 235,533.71
  4. Step 4: Simplify right side
    378,727.53x = 123,144,885,703.24
  5. Step 5: Solve for x
    x = 123,144,885,703.24/378,727.53
  6. Step 6: Final answer
    x = 325,154.30

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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.