Home / 1,258,104.07-1,887,103.39-405,156.84

Finding the Fourth Proportional to 1,258,104.07, 1,887,103.39 and 405,156.84

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Solution

The fourth proportional to 1,258,104.07, 1,887,103.39 and 405,156.84 is: 607,718.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,104.07 : 1,887,103.39 = 405,156.84 : x
  2. Step 2: Convert to fraction form
    1,258,104.07/1,887,103.39 = 405,156.84/x
  3. Step 3: Cross multiply
    1,258,104.07x = 1,887,103.39 × 405,156.84
  4. Step 4: Simplify right side
    1,258,104.07x = 764,572,838,156.16
  5. Step 5: Solve for x
    x = 764,572,838,156.16/1,258,104.07
  6. Step 6: Final answer
    x = 607,718.28

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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.