Home / 1,289,180.33-1,765,315.28-1,238,360.93

Finding the Fourth Proportional to 1,289,180.33, 1,765,315.28 and 1,238,360.93

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Solution

The fourth proportional to 1,289,180.33, 1,765,315.28 and 1,238,360.93 is: 1,695,726.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,180.33 : 1,765,315.28 = 1,238,360.93 : x
  2. Step 2: Convert to fraction form
    1,289,180.33/1,765,315.28 = 1,238,360.93/x
  3. Step 3: Cross multiply
    1,289,180.33x = 1,765,315.28 × 1,238,360.93
  4. Step 4: Simplify right side
    1,289,180.33x = 2,186,097,466,153.34
  5. Step 5: Solve for x
    x = 2,186,097,466,153.34/1,289,180.33
  6. Step 6: Final answer
    x = 1,695,726.68

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.