Home / 446,111.56-669,280.74-126,263.08

Finding the Fourth Proportional to 446,111.56, 669,280.74 and 126,263.08

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Solution

The fourth proportional to 446,111.56, 669,280.74 and 126,263.08 is: 189,426.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,111.56 : 669,280.74 = 126,263.08 : x
  2. Step 2: Convert to fraction form
    446,111.56/669,280.74 = 126,263.08/x
  3. Step 3: Cross multiply
    446,111.56x = 669,280.74 × 126,263.08
  4. Step 4: Simplify right side
    446,111.56x = 84,505,447,617.08
  5. Step 5: Solve for x
    x = 84,505,447,617.08/446,111.56
  6. Step 6: Final answer
    x = 189,426.72

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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.