Home / 1,405,414.90-1,939,476.93-760,833.55

Finding the Fourth Proportional to 1,405,414.90, 1,939,476.93 and 760,833.55

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Solution

The fourth proportional to 1,405,414.90, 1,939,476.93 and 760,833.55 is: 1,049,952.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,414.90 : 1,939,476.93 = 760,833.55 : x
  2. Step 2: Convert to fraction form
    1,405,414.90/1,939,476.93 = 760,833.55/x
  3. Step 3: Cross multiply
    1,405,414.90x = 1,939,476.93 × 760,833.55
  4. Step 4: Simplify right side
    1,405,414.90x = 1,475,619,117,795.00
  5. Step 5: Solve for x
    x = 1,475,619,117,795.00/1,405,414.90
  6. Step 6: Final answer
    x = 1,049,952.67

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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.