Home / 528,707.46-791,857.38-414,140.04

Finding the Fourth Proportional to 528,707.46, 791,857.38 and 414,140.04

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Solution

The fourth proportional to 528,707.46, 791,857.38 and 414,140.04 is: 620,267.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,707.46 : 791,857.38 = 414,140.04 : x
  2. Step 2: Convert to fraction form
    528,707.46/791,857.38 = 414,140.04/x
  3. Step 3: Cross multiply
    528,707.46x = 791,857.38 × 414,140.04
  4. Step 4: Simplify right side
    528,707.46x = 327,939,847,027.50
  5. Step 5: Solve for x
    x = 327,939,847,027.50/528,707.46
  6. Step 6: Final answer
    x = 620,267.11

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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.