Home / 729,243.10-1,091,955.21-586,328.86

Finding the Fourth Proportional to 729,243.10, 1,091,955.21 and 586,328.86

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Solution

The fourth proportional to 729,243.10, 1,091,955.21 and 586,328.86 is: 877,958.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,243.10 : 1,091,955.21 = 586,328.86 : x
  2. Step 2: Convert to fraction form
    729,243.10/1,091,955.21 = 586,328.86/x
  3. Step 3: Cross multiply
    729,243.10x = 1,091,955.21 × 586,328.86
  4. Step 4: Simplify right side
    729,243.10x = 640,244,853,450.36
  5. Step 5: Solve for x
    x = 640,244,853,450.36/729,243.10
  6. Step 6: Final answer
    x = 877,958.05

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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.