Home / 1,054,865.36-1,455,418.74-662,440.58

Finding the Fourth Proportional to 1,054,865.36, 1,455,418.74 and 662,440.58

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Solution

The fourth proportional to 1,054,865.36, 1,455,418.74 and 662,440.58 is: 913,982.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,865.36 : 1,455,418.74 = 662,440.58 : x
  2. Step 2: Convert to fraction form
    1,054,865.36/1,455,418.74 = 662,440.58/x
  3. Step 3: Cross multiply
    1,054,865.36x = 1,455,418.74 × 662,440.58
  4. Step 4: Simplify right side
    1,054,865.36x = 964,128,434,268.47
  5. Step 5: Solve for x
    x = 964,128,434,268.47/1,054,865.36
  6. Step 6: Final answer
    x = 913,982.46

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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.