Home / 364,370.27-502,449.39-313,555.32

Finding the Fourth Proportional to 364,370.27, 502,449.39 and 313,555.32

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Solution

The fourth proportional to 364,370.27, 502,449.39 and 313,555.32 is: 432,377.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,370.27 : 502,449.39 = 313,555.32 : x
  2. Step 2: Convert to fraction form
    364,370.27/502,449.39 = 313,555.32/x
  3. Step 3: Cross multiply
    364,370.27x = 502,449.39 × 313,555.32
  4. Step 4: Simplify right side
    364,370.27x = 157,545,679,265.26
  5. Step 5: Solve for x
    x = 157,545,679,265.26/364,370.27
  6. Step 6: Final answer
    x = 432,377.98

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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.