Home / 448,431.03-671,177.61-245,718

Finding the Fourth Proportional to 448,431.03, 671,177.61 and 245,718

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Solution

The fourth proportional to 448,431.03, 671,177.61 and 245,718 is: 367,772.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,431.03 : 671,177.61 = 245,718 : x
  2. Step 2: Convert to fraction form
    448,431.03/671,177.61 = 245,718/x
  3. Step 3: Cross multiply
    448,431.03x = 671,177.61 × 245,718
  4. Step 4: Simplify right side
    448,431.03x = 164,920,419,973.98
  5. Step 5: Solve for x
    x = 164,920,419,973.98/448,431.03
  6. Step 6: Final answer
    x = 367,772.10

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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.