Home / 451,981.32-623,741.88-248,051.21

Finding the Fourth Proportional to 451,981.32, 623,741.88 and 248,051.21

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Solution

The fourth proportional to 451,981.32, 623,741.88 and 248,051.21 is: 342,314.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,981.32 : 623,741.88 = 248,051.21 : x
  2. Step 2: Convert to fraction form
    451,981.32/623,741.88 = 248,051.21/x
  3. Step 3: Cross multiply
    451,981.32x = 623,741.88 × 248,051.21
  4. Step 4: Simplify right side
    451,981.32x = 154,719,929,621.03
  5. Step 5: Solve for x
    x = 154,719,929,621.03/451,981.32
  6. Step 6: Final answer
    x = 342,314.88

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1.5x scale

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.