Home / 948,467.36-1,308,866.52-518,746.16

Finding the Fourth Proportional to 948,467.36, 1,308,866.52 and 518,746.16

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Solution

The fourth proportional to 948,467.36, 1,308,866.52 and 518,746.16 is: 715,859.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,467.36 : 1,308,866.52 = 518,746.16 : x
  2. Step 2: Convert to fraction form
    948,467.36/1,308,866.52 = 518,746.16/x
  3. Step 3: Cross multiply
    948,467.36x = 1,308,866.52 × 518,746.16
  4. Step 4: Simplify right side
    948,467.36x = 678,969,481,202.56
  5. Step 5: Solve for x
    x = 678,969,481,202.56/948,467.36
  6. Step 6: Final answer
    x = 715,859.62

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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.