Home / 942,171.36-1,412,721.68-643,014.36

Finding the Fourth Proportional to 942,171.36, 1,412,721.68 and 643,014.36

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Solution

The fourth proportional to 942,171.36, 1,412,721.68 and 643,014.36 is: 964,156.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,171.36 : 1,412,721.68 = 643,014.36 : x
  2. Step 2: Convert to fraction form
    942,171.36/1,412,721.68 = 643,014.36/x
  3. Step 3: Cross multiply
    942,171.36x = 1,412,721.68 × 643,014.36
  4. Step 4: Simplify right side
    942,171.36x = 908,400,323,708.25
  5. Step 5: Solve for x
    x = 908,400,323,708.25/942,171.36
  6. Step 6: Final answer
    x = 964,156.16

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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.