Home / 448,019.11-671,795.34-211,298.23

Finding the Fourth Proportional to 448,019.11, 671,795.34 and 211,298.23

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Solution

The fourth proportional to 448,019.11, 671,795.34 and 211,298.23 is: 316,837.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,019.11 : 671,795.34 = 211,298.23 : x
  2. Step 2: Convert to fraction form
    448,019.11/671,795.34 = 211,298.23/x
  3. Step 3: Cross multiply
    448,019.11x = 671,795.34 × 211,298.23
  4. Step 4: Simplify right side
    448,019.11x = 141,949,166,264.25
  5. Step 5: Solve for x
    x = 141,949,166,264.25/448,019.11
  6. Step 6: Final answer
    x = 316,837.30

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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.