Home / 539,038.91-809,084.23-445,224.81

Finding the Fourth Proportional to 539,038.91, 809,084.23 and 445,224.81

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Solution

The fourth proportional to 539,038.91, 809,084.23 and 445,224.81 is: 668,271.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,038.91 : 809,084.23 = 445,224.81 : x
  2. Step 2: Convert to fraction form
    539,038.91/809,084.23 = 445,224.81/x
  3. Step 3: Cross multiply
    539,038.91x = 809,084.23 × 445,224.81
  4. Step 4: Simplify right side
    539,038.91x = 360,224,369,945.65
  5. Step 5: Solve for x
    x = 360,224,369,945.65/539,038.91
  6. Step 6: Final answer
    x = 668,271.56

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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.