Home / 674,918.91-1,012,380.35-195,185.76

Finding the Fourth Proportional to 674,918.91, 1,012,380.35 and 195,185.76

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Solution

The fourth proportional to 674,918.91, 1,012,380.35 and 195,185.76 is: 292,779.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,918.91 : 1,012,380.35 = 195,185.76 : x
  2. Step 2: Convert to fraction form
    674,918.91/1,012,380.35 = 195,185.76/x
  3. Step 3: Cross multiply
    674,918.91x = 1,012,380.35 × 195,185.76
  4. Step 4: Simplify right side
    674,918.91x = 197,602,230,918.72
  5. Step 5: Solve for x
    x = 197,602,230,918.72/674,918.91
  6. Step 6: Final answer
    x = 292,779.22

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1.5x scale

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.