Home / 1,252,498.16-1,727,381.36-871,435.28

Finding the Fourth Proportional to 1,252,498.16, 1,727,381.36 and 871,435.28

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Solution

The fourth proportional to 1,252,498.16, 1,727,381.36 and 871,435.28 is: 1,201,838.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,498.16 : 1,727,381.36 = 871,435.28 : x
  2. Step 2: Convert to fraction form
    1,252,498.16/1,727,381.36 = 871,435.28/x
  3. Step 3: Cross multiply
    1,252,498.16x = 1,727,381.36 × 871,435.28
  4. Step 4: Simplify right side
    1,252,498.16x = 1,505,301,054,761.20
  5. Step 5: Solve for x
    x = 1,505,301,054,761.20/1,252,498.16
  6. Step 6: Final answer
    x = 1,201,838.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.