Home / 1,333,143.36-1,999,922.40-446,472

Finding the Fourth Proportional to 1,333,143.36, 1,999,922.40 and 446,472

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Solution

The fourth proportional to 1,333,143.36, 1,999,922.40 and 446,472 is: 669,777.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,143.36 : 1,999,922.40 = 446,472 : x
  2. Step 2: Convert to fraction form
    1,333,143.36/1,999,922.40 = 446,472/x
  3. Step 3: Cross multiply
    1,333,143.36x = 1,999,922.40 × 446,472
  4. Step 4: Simplify right side
    1,333,143.36x = 892,909,353,772.80
  5. Step 5: Solve for x
    x = 892,909,353,772.80/1,333,143.36
  6. Step 6: Final answer
    x = 669,777.45

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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.