Home / 626,999.85-939,916.58-437,459.85

Finding the Fourth Proportional to 626,999.85, 939,916.58 and 437,459.85

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Solution

The fourth proportional to 626,999.85, 939,916.58 and 437,459.85 is: 655,782.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,999.85 : 939,916.58 = 437,459.85 : x
  2. Step 2: Convert to fraction form
    626,999.85/939,916.58 = 437,459.85/x
  3. Step 3: Cross multiply
    626,999.85x = 939,916.58 × 437,459.85
  4. Step 4: Simplify right side
    626,999.85x = 411,175,763,912.01
  5. Step 5: Solve for x
    x = 411,175,763,912.01/626,999.85
  6. Step 6: Final answer
    x = 655,782.87

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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.