Home / 909,666.30-1,364,499.45-626,231.10

Finding the Fourth Proportional to 909,666.30, 1,364,499.45 and 626,231.10

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Solution

The fourth proportional to 909,666.30, 1,364,499.45 and 626,231.10 is: 939,346.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,666.30 : 1,364,499.45 = 626,231.10 : x
  2. Step 2: Convert to fraction form
    909,666.30/1,364,499.45 = 626,231.10/x
  3. Step 3: Cross multiply
    909,666.30x = 1,364,499.45 × 626,231.10
  4. Step 4: Simplify right side
    909,666.30x = 854,491,991,522.90
  5. Step 5: Solve for x
    x = 854,491,991,522.90/909,666.30
  6. Step 6: Final answer
    x = 939,346.65

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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.