Home / 1,301,844.32-1,953,078.28-543,263.79

Finding the Fourth Proportional to 1,301,844.32, 1,953,078.28 and 543,263.79

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Solution

The fourth proportional to 1,301,844.32, 1,953,078.28 and 543,263.79 is: 815,025.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,844.32 : 1,953,078.28 = 543,263.79 : x
  2. Step 2: Convert to fraction form
    1,301,844.32/1,953,078.28 = 543,263.79/x
  3. Step 3: Cross multiply
    1,301,844.32x = 1,953,078.28 × 543,263.79
  4. Step 4: Simplify right side
    1,301,844.32x = 1,061,036,714,525.37
  5. Step 5: Solve for x
    x = 1,061,036,714,525.37/1,301,844.32
  6. Step 6: Final answer
    x = 815,025.81

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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.