Home / 1,292,238.56-1,934,971.94-911,096.10

Finding the Fourth Proportional to 1,292,238.56, 1,934,971.94 and 911,096.10

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Solution

The fourth proportional to 1,292,238.56, 1,934,971.94 and 911,096.10 is: 1,364,256.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,238.56 : 1,934,971.94 = 911,096.10 : x
  2. Step 2: Convert to fraction form
    1,292,238.56/1,934,971.94 = 911,096.10/x
  3. Step 3: Cross multiply
    1,292,238.56x = 1,934,971.94 × 911,096.10
  4. Step 4: Simplify right side
    1,292,238.56x = 1,762,945,390,421.17
  5. Step 5: Solve for x
    x = 1,762,945,390,421.17/1,292,238.56
  6. Step 6: Final answer
    x = 1,364,256.91

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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.