Home / 609,237.09-913,313.14-289,191.51

Finding the Fourth Proportional to 609,237.09, 913,313.14 and 289,191.51

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Solution

The fourth proportional to 609,237.09, 913,313.14 and 289,191.51 is: 433,529.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,237.09 : 913,313.14 = 289,191.51 : x
  2. Step 2: Convert to fraction form
    609,237.09/913,313.14 = 289,191.51/x
  3. Step 3: Cross multiply
    609,237.09x = 913,313.14 × 289,191.51
  4. Step 4: Simplify right side
    609,237.09x = 264,122,405,336.46
  5. Step 5: Solve for x
    x = 264,122,405,336.46/609,237.09
  6. Step 6: Final answer
    x = 433,529.75

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1.5x scale

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.