Home / 466,185.49-643,103.08-294,316.45

Finding the Fourth Proportional to 466,185.49, 643,103.08 and 294,316.45

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Solution

The fourth proportional to 466,185.49, 643,103.08 and 294,316.45 is: 406,009.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,185.49 : 643,103.08 = 294,316.45 : x
  2. Step 2: Convert to fraction form
    466,185.49/643,103.08 = 294,316.45/x
  3. Step 3: Cross multiply
    466,185.49x = 643,103.08 × 294,316.45
  4. Step 4: Simplify right side
    466,185.49x = 189,275,815,489.67
  5. Step 5: Solve for x
    x = 189,275,815,489.67/466,185.49
  6. Step 6: Final answer
    x = 406,009.67

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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.