Home / 919,932.10-1,379,898.15-565,638.10

Finding the Fourth Proportional to 919,932.10, 1,379,898.15 and 565,638.10

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Solution

The fourth proportional to 919,932.10, 1,379,898.15 and 565,638.10 is: 848,457.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,932.10 : 1,379,898.15 = 565,638.10 : x
  2. Step 2: Convert to fraction form
    919,932.10/1,379,898.15 = 565,638.10/x
  3. Step 3: Cross multiply
    919,932.10x = 1,379,898.15 × 565,638.10
  4. Step 4: Simplify right side
    919,932.10x = 780,522,967,759.52
  5. Step 5: Solve for x
    x = 780,522,967,759.52/919,932.10
  6. Step 6: Final answer
    x = 848,457.15

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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.