Home / 1,464,136.07-2,196,139.40-399,178.25

Finding the Fourth Proportional to 1,464,136.07, 2,196,139.40 and 399,178.25

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Solution

The fourth proportional to 1,464,136.07, 2,196,139.40 and 399,178.25 is: 598,749.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464,136.07 : 2,196,139.40 = 399,178.25 : x
  2. Step 2: Convert to fraction form
    1,464,136.07/2,196,139.40 = 399,178.25/x
  3. Step 3: Cross multiply
    1,464,136.07x = 2,196,139.40 × 399,178.25
  4. Step 4: Simplify right side
    1,464,136.07x = 876,651,069,471.46
  5. Step 5: Solve for x
    x = 876,651,069,471.46/1,464,136.07
  6. Step 6: Final answer
    x = 598,749.73

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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.