Home / 888,145.60-1,225,640.04-480,246.48

Finding the Fourth Proportional to 888,145.60, 1,225,640.04 and 480,246.48

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Solution

The fourth proportional to 888,145.60, 1,225,640.04 and 480,246.48 is: 662,739.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,145.60 : 1,225,640.04 = 480,246.48 : x
  2. Step 2: Convert to fraction form
    888,145.60/1,225,640.04 = 480,246.48/x
  3. Step 3: Cross multiply
    888,145.60x = 1,225,640.04 × 480,246.48
  4. Step 4: Simplify right side
    888,145.60x = 588,609,314,957.06
  5. Step 5: Solve for x
    x = 588,609,314,957.06/888,145.60
  6. Step 6: Final answer
    x = 662,739.66

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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.