Home / 436,233.60-652,795.20-302,486.40

Finding the Fourth Proportional to 436,233.60, 652,795.20 and 302,486.40

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Solution

The fourth proportional to 436,233.60, 652,795.20 and 302,486.40 is: 452,651.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,233.60 : 652,795.20 = 302,486.40 : x
  2. Step 2: Convert to fraction form
    436,233.60/652,795.20 = 302,486.40/x
  3. Step 3: Cross multiply
    436,233.60x = 652,795.20 × 302,486.40
  4. Step 4: Simplify right side
    436,233.60x = 197,461,669,985.28
  5. Step 5: Solve for x
    x = 197,461,669,985.28/436,233.60
  6. Step 6: Final answer
    x = 452,651.22

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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.