Home / 430,019.52-593,434-236,435.36

Finding the Fourth Proportional to 430,019.52, 593,434 and 236,435.36

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Solution

The fourth proportional to 430,019.52, 593,434 and 236,435.36 is: 326,284.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,019.52 : 593,434 = 236,435.36 : x
  2. Step 2: Convert to fraction form
    430,019.52/593,434 = 236,435.36/x
  3. Step 3: Cross multiply
    430,019.52x = 593,434 × 236,435.36
  4. Step 4: Simplify right side
    430,019.52x = 140,308,781,426.24
  5. Step 5: Solve for x
    x = 140,308,781,426.24/430,019.52
  6. Step 6: Final answer
    x = 326,284.68

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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.