Home / 436,947.93-655,457.27-121,404.87

Finding the Fourth Proportional to 436,947.93, 655,457.27 and 121,404.87

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Solution

The fourth proportional to 436,947.93, 655,457.27 and 121,404.87 is: 182,117.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,947.93 : 655,457.27 = 121,404.87 : x
  2. Step 2: Convert to fraction form
    436,947.93/655,457.27 = 121,404.87/x
  3. Step 3: Cross multiply
    436,947.93x = 655,457.27 × 121,404.87
  4. Step 4: Simplify right side
    436,947.93x = 79,575,704,047.88
  5. Step 5: Solve for x
    x = 79,575,704,047.88/436,947.93
  6. Step 6: Final answer
    x = 182,117.13

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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.