Home / 556,978.14-835,511.36-157,621.41

Finding the Fourth Proportional to 556,978.14, 835,511.36 and 157,621.41

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Solution

The fourth proportional to 556,978.14, 835,511.36 and 157,621.41 is: 236,444.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,978.14 : 835,511.36 = 157,621.41 : x
  2. Step 2: Convert to fraction form
    556,978.14/835,511.36 = 157,621.41/x
  3. Step 3: Cross multiply
    556,978.14x = 835,511.36 × 157,621.41
  4. Step 4: Simplify right side
    556,978.14x = 131,694,477,846.11
  5. Step 5: Solve for x
    x = 131,694,477,846.11/556,978.14
  6. Step 6: Final answer
    x = 236,444.61

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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.