Home / 775,957.04-1,164,219.84-326,790.96

Finding the Fourth Proportional to 775,957.04, 1,164,219.84 and 326,790.96

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Solution

The fourth proportional to 775,957.04, 1,164,219.84 and 326,790.96 is: 490,306.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,957.04 : 1,164,219.84 = 326,790.96 : x
  2. Step 2: Convert to fraction form
    775,957.04/1,164,219.84 = 326,790.96/x
  3. Step 3: Cross multiply
    775,957.04x = 1,164,219.84 × 326,790.96
  4. Step 4: Simplify right side
    775,957.04x = 380,456,519,164.65
  5. Step 5: Solve for x
    x = 380,456,519,164.65/775,957.04
  6. Step 6: Final answer
    x = 490,306.16

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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.