Home / 448,214.40-671,884.20-400,975.20

Finding the Fourth Proportional to 448,214.40, 671,884.20 and 400,975.20

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Solution

The fourth proportional to 448,214.40, 671,884.20 and 400,975.20 is: 601,071.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,214.40 : 671,884.20 = 400,975.20 : x
  2. Step 2: Convert to fraction form
    448,214.40/671,884.20 = 400,975.20/x
  3. Step 3: Cross multiply
    448,214.40x = 671,884.20 × 400,975.20
  4. Step 4: Simplify right side
    448,214.40x = 269,408,901,471.84
  5. Step 5: Solve for x
    x = 269,408,901,471.84/448,214.40
  6. Step 6: Final answer
    x = 601,071.50

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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.