Home / 751,905.19-1,127,839.04-219,430.83

Finding the Fourth Proportional to 751,905.19, 1,127,839.04 and 219,430.83

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Solution

The fourth proportional to 751,905.19, 1,127,839.04 and 219,430.83 is: 329,140.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,905.19 : 1,127,839.04 = 219,430.83 : x
  2. Step 2: Convert to fraction form
    751,905.19/1,127,839.04 = 219,430.83/x
  3. Step 3: Cross multiply
    751,905.19x = 1,127,839.04 × 219,430.83
  4. Step 4: Simplify right side
    751,905.19x = 247,482,656,653.60
  5. Step 5: Solve for x
    x = 247,482,656,653.60/751,905.19
  6. Step 6: Final answer
    x = 329,140.77

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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.