Home / 436,094.40-654,433.20-199,315.20

Finding the Fourth Proportional to 436,094.40, 654,433.20 and 199,315.20

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Solution

The fourth proportional to 436,094.40, 654,433.20 and 199,315.20 is: 299,106.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,094.40 : 654,433.20 = 199,315.20 : x
  2. Step 2: Convert to fraction form
    436,094.40/654,433.20 = 199,315.20/x
  3. Step 3: Cross multiply
    436,094.40x = 654,433.20 × 199,315.20
  4. Step 4: Simplify right side
    436,094.40x = 130,438,484,144.64
  5. Step 5: Solve for x
    x = 130,438,484,144.64/436,094.40
  6. Step 6: Final answer
    x = 299,106.07

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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.