Home / 698,103.23-1,047,470.67-356,370.11

Finding the Fourth Proportional to 698,103.23, 1,047,470.67 and 356,370.11

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Solution

The fourth proportional to 698,103.23, 1,047,470.67 and 356,370.11 is: 534,716.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,103.23 : 1,047,470.67 = 356,370.11 : x
  2. Step 2: Convert to fraction form
    698,103.23/1,047,470.67 = 356,370.11/x
  3. Step 3: Cross multiply
    698,103.23x = 1,047,470.67 × 356,370.11
  4. Step 4: Simplify right side
    698,103.23x = 373,287,237,889.67
  5. Step 5: Solve for x
    x = 373,287,237,889.67/698,103.23
  6. Step 6: Final answer
    x = 534,716.39

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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.