Home / 964,763.32-1,448,012.34-515,867.89

Finding the Fourth Proportional to 964,763.32, 1,448,012.34 and 515,867.89

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Solution

The fourth proportional to 964,763.32, 1,448,012.34 and 515,867.89 is: 774,265.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,763.32 : 1,448,012.34 = 515,867.89 : x
  2. Step 2: Convert to fraction form
    964,763.32/1,448,012.34 = 515,867.89/x
  3. Step 3: Cross multiply
    964,763.32x = 1,448,012.34 × 515,867.89
  4. Step 4: Simplify right side
    964,763.32x = 746,983,070,529.76
  5. Step 5: Solve for x
    x = 746,983,070,529.76/964,763.32
  6. Step 6: Final answer
    x = 774,265.62

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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.