Home / 346,505.18-518,823.36-226,264.32

Finding the Fourth Proportional to 346,505.18, 518,823.36 and 226,264.32

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Solution

The fourth proportional to 346,505.18, 518,823.36 and 226,264.32 is: 338,786.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,505.18 : 518,823.36 = 226,264.32 : x
  2. Step 2: Convert to fraction form
    346,505.18/518,823.36 = 226,264.32/x
  3. Step 3: Cross multiply
    346,505.18x = 518,823.36 × 226,264.32
  4. Step 4: Simplify right side
    346,505.18x = 117,391,214,750.52
  5. Step 5: Solve for x
    x = 117,391,214,750.52/346,505.18
  6. Step 6: Final answer
    x = 338,786.32

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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.