Home / 1,219,239.99-1,829,116.79-461,064.68

Finding the Fourth Proportional to 1,219,239.99, 1,829,116.79 and 461,064.68

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Solution

The fourth proportional to 1,219,239.99, 1,829,116.79 and 461,064.68 is: 691,694.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,239.99 : 1,829,116.79 = 461,064.68 : x
  2. Step 2: Convert to fraction form
    1,219,239.99/1,829,116.79 = 461,064.68/x
  3. Step 3: Cross multiply
    1,219,239.99x = 1,829,116.79 × 461,064.68
  4. Step 4: Simplify right side
    1,219,239.99x = 843,341,144,601.25
  5. Step 5: Solve for x
    x = 843,341,144,601.25/1,219,239.99
  6. Step 6: Final answer
    x = 691,694.13

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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.