Home / 1,453,174.88-2,005,429.20-909,136.76

Finding the Fourth Proportional to 1,453,174.88, 2,005,429.20 and 909,136.76

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Solution

The fourth proportional to 1,453,174.88, 2,005,429.20 and 909,136.76 is: 1,254,638.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,174.88 : 2,005,429.20 = 909,136.76 : x
  2. Step 2: Convert to fraction form
    1,453,174.88/2,005,429.20 = 909,136.76/x
  3. Step 3: Cross multiply
    1,453,174.88x = 2,005,429.20 × 909,136.76
  4. Step 4: Simplify right side
    1,453,174.88x = 1,823,209,405,297.39
  5. Step 5: Solve for x
    x = 1,823,209,405,297.39/1,453,174.88
  6. Step 6: Final answer
    x = 1,254,638.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.