Home / 346,156.85-518,360.48-276,172.85

Finding the Fourth Proportional to 346,156.85, 518,360.48 and 276,172.85

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Solution

The fourth proportional to 346,156.85, 518,360.48 and 276,172.85 is: 413,561.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,156.85 : 518,360.48 = 276,172.85 : x
  2. Step 2: Convert to fraction form
    346,156.85/518,360.48 = 276,172.85/x
  3. Step 3: Cross multiply
    346,156.85x = 518,360.48 × 276,172.85
  4. Step 4: Simplify right side
    346,156.85x = 143,157,089,708.10
  5. Step 5: Solve for x
    x = 143,157,089,708.10/346,156.85
  6. Step 6: Final answer
    x = 413,561.34

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1.5x scale

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.