Home / 451,785.42-623,417.67-270,492.64

Finding the Fourth Proportional to 451,785.42, 623,417.67 and 270,492.64

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Solution

The fourth proportional to 451,785.42, 623,417.67 and 270,492.64 is: 373,252.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,785.42 : 623,417.67 = 270,492.64 : x
  2. Step 2: Convert to fraction form
    451,785.42/623,417.67 = 270,492.64/x
  3. Step 3: Cross multiply
    451,785.42x = 623,417.67 × 270,492.64
  4. Step 4: Simplify right side
    451,785.42x = 168,629,889,822.41
  5. Step 5: Solve for x
    x = 168,629,889,822.41/451,785.42
  6. Step 6: Final answer
    x = 373,252.17

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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.