Home / 1,337,556.81-2,005,913.76-438,789.11

Finding the Fourth Proportional to 1,337,556.81, 2,005,913.76 and 438,789.11

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Solution

The fourth proportional to 1,337,556.81, 2,005,913.76 and 438,789.11 is: 658,045.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,556.81 : 2,005,913.76 = 438,789.11 : x
  2. Step 2: Convert to fraction form
    1,337,556.81/2,005,913.76 = 438,789.11/x
  3. Step 3: Cross multiply
    1,337,556.81x = 2,005,913.76 × 438,789.11
  4. Step 4: Simplify right side
    1,337,556.81x = 880,173,113,918.12
  5. Step 5: Solve for x
    x = 880,173,113,918.12/1,337,556.81
  6. Step 6: Final answer
    x = 658,045.41

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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.