Home / 446,623.81-669,559.14-193,713.91

Finding the Fourth Proportional to 446,623.81, 669,559.14 and 193,713.91

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Solution

The fourth proportional to 446,623.81, 669,559.14 and 193,713.91 is: 290,407.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,623.81 : 669,559.14 = 193,713.91 : x
  2. Step 2: Convert to fraction form
    446,623.81/669,559.14 = 193,713.91/x
  3. Step 3: Cross multiply
    446,623.81x = 669,559.14 × 193,713.91
  4. Step 4: Simplify right side
    446,623.81x = 129,702,918,985.64
  5. Step 5: Solve for x
    x = 129,702,918,985.64/446,623.81
  6. Step 6: Final answer
    x = 290,407.53

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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.