Home / 939,596.96-1,409,610.72-407,207.36

Finding the Fourth Proportional to 939,596.96, 1,409,610.72 and 407,207.36

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Solution

The fourth proportional to 939,596.96, 1,409,610.72 and 407,207.36 is: 610,904.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,596.96 : 1,409,610.72 = 407,207.36 : x
  2. Step 2: Convert to fraction form
    939,596.96/1,409,610.72 = 407,207.36/x
  3. Step 3: Cross multiply
    939,596.96x = 1,409,610.72 × 407,207.36
  4. Step 4: Simplify right side
    939,596.96x = 574,003,859,918.90
  5. Step 5: Solve for x
    x = 574,003,859,918.90/939,596.96
  6. Step 6: Final answer
    x = 610,904.34

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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.