Home / 717,322.32-1,075,733.19-211,749.48

Finding the Fourth Proportional to 717,322.32, 1,075,733.19 and 211,749.48

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Solution

The fourth proportional to 717,322.32, 1,075,733.19 and 211,749.48 is: 317,550.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,322.32 : 1,075,733.19 = 211,749.48 : x
  2. Step 2: Convert to fraction form
    717,322.32/1,075,733.19 = 211,749.48/x
  3. Step 3: Cross multiply
    717,322.32x = 1,075,733.19 × 211,749.48
  4. Step 4: Simplify right side
    717,322.32x = 227,785,943,601.24
  5. Step 5: Solve for x
    x = 227,785,943,601.24/717,322.32
  6. Step 6: Final answer
    x = 317,550.34

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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.