Home / 1,115,963.96-1,674,161.40-476,258.36

Finding the Fourth Proportional to 1,115,963.96, 1,674,161.40 and 476,258.36

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Solution

The fourth proportional to 1,115,963.96, 1,674,161.40 and 476,258.36 is: 714,479.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,963.96 : 1,674,161.40 = 476,258.36 : x
  2. Step 2: Convert to fraction form
    1,115,963.96/1,674,161.40 = 476,258.36/x
  3. Step 3: Cross multiply
    1,115,963.96x = 1,674,161.40 × 476,258.36
  4. Step 4: Simplify right side
    1,115,963.96x = 797,333,362,739.30
  5. Step 5: Solve for x
    x = 797,333,362,739.30/1,115,963.96
  6. Step 6: Final answer
    x = 714,479.49

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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.