Home / 638,142.36-957,585.63-239,063.46

Finding the Fourth Proportional to 638,142.36, 957,585.63 and 239,063.46

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Solution

The fourth proportional to 638,142.36, 957,585.63 and 239,063.46 is: 358,734.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,142.36 : 957,585.63 = 239,063.46 : x
  2. Step 2: Convert to fraction form
    638,142.36/957,585.63 = 239,063.46/x
  3. Step 3: Cross multiply
    638,142.36x = 957,585.63 × 239,063.46
  4. Step 4: Simplify right side
    638,142.36x = 228,923,733,954.08
  5. Step 5: Solve for x
    x = 228,923,733,954.08/638,142.36
  6. Step 6: Final answer
    x = 358,734.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.