Home / 926,820.90-1,277,923.14-742,912.43

Finding the Fourth Proportional to 926,820.90, 1,277,923.14 and 742,912.43

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Solution

The fourth proportional to 926,820.90, 1,277,923.14 and 742,912.43 is: 1,024,345.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,820.90 : 1,277,923.14 = 742,912.43 : x
  2. Step 2: Convert to fraction form
    926,820.90/1,277,923.14 = 742,912.43/x
  3. Step 3: Cross multiply
    926,820.90x = 1,277,923.14 × 742,912.43
  4. Step 4: Simplify right side
    926,820.90x = 949,384,978,901.02
  5. Step 5: Solve for x
    x = 949,384,978,901.02/926,820.90
  6. Step 6: Final answer
    x = 1,024,345.67

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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.