Home / 649,606.40-973,027.20-525,190.40

Finding the Fourth Proportional to 649,606.40, 973,027.20 and 525,190.40

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Solution

The fourth proportional to 649,606.40, 973,027.20 and 525,190.40 is: 786,667.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,606.40 : 973,027.20 = 525,190.40 : x
  2. Step 2: Convert to fraction form
    649,606.40/973,027.20 = 525,190.40/x
  3. Step 3: Cross multiply
    649,606.40x = 973,027.20 × 525,190.40
  4. Step 4: Simplify right side
    649,606.40x = 511,024,544,378.88
  5. Step 5: Solve for x
    x = 511,024,544,378.88/649,606.40
  6. Step 6: Final answer
    x = 786,667.96

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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.