Home / 685,544.32-1,028,455.36-242,623.36

Finding the Fourth Proportional to 685,544.32, 1,028,455.36 and 242,623.36

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Solution

The fourth proportional to 685,544.32, 1,028,455.36 and 242,623.36 is: 363,984.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,544.32 : 1,028,455.36 = 242,623.36 : x
  2. Step 2: Convert to fraction form
    685,544.32/1,028,455.36 = 242,623.36/x
  3. Step 3: Cross multiply
    685,544.32x = 1,028,455.36 × 242,623.36
  4. Step 4: Simplify right side
    685,544.32x = 249,527,295,053.21
  5. Step 5: Solve for x
    x = 249,527,295,053.21/685,544.32
  6. Step 6: Final answer
    x = 363,984.19

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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.