Home / 527,317.32-727,694.28-285,594.36

Finding the Fourth Proportional to 527,317.32, 727,694.28 and 285,594.36

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Solution

The fourth proportional to 527,317.32, 727,694.28 and 285,594.36 is: 394,118.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,317.32 : 727,694.28 = 285,594.36 : x
  2. Step 2: Convert to fraction form
    527,317.32/727,694.28 = 285,594.36/x
  3. Step 3: Cross multiply
    527,317.32x = 727,694.28 × 285,594.36
  4. Step 4: Simplify right side
    527,317.32x = 207,825,382,172.26
  5. Step 5: Solve for x
    x = 207,825,382,172.26/527,317.32
  6. Step 6: Final answer
    x = 394,118.26

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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.