Home / 448,004.40-672,784.20-238,052.40

Finding the Fourth Proportional to 448,004.40, 672,784.20 and 238,052.40

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Solution

The fourth proportional to 448,004.40, 672,784.20 and 238,052.40 is: 357,491.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,004.40 : 672,784.20 = 238,052.40 : x
  2. Step 2: Convert to fraction form
    448,004.40/672,784.20 = 238,052.40/x
  3. Step 3: Cross multiply
    448,004.40x = 672,784.20 × 238,052.40
  4. Step 4: Simplify right side
    448,004.40x = 160,157,893,492.08
  5. Step 5: Solve for x
    x = 160,157,893,492.08/448,004.40
  6. Step 6: Final answer
    x = 357,491.79

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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.