Home / 965,385.59-1,448,293.64-316,990.67

Finding the Fourth Proportional to 965,385.59, 1,448,293.64 and 316,990.67

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Solution

The fourth proportional to 965,385.59, 1,448,293.64 and 316,990.67 is: 475,556.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,385.59 : 1,448,293.64 = 316,990.67 : x
  2. Step 2: Convert to fraction form
    965,385.59/1,448,293.64 = 316,990.67/x
  3. Step 3: Cross multiply
    965,385.59x = 1,448,293.64 × 316,990.67
  4. Step 4: Simplify right side
    965,385.59x = 459,095,562,473.92
  5. Step 5: Solve for x
    x = 459,095,562,473.92/965,385.59
  6. Step 6: Final answer
    x = 475,556.68

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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.