Home / 1,031,128.20-1,548,077.40-605,100.60

Finding the Fourth Proportional to 1,031,128.20, 1,548,077.40 and 605,100.60

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Solution

The fourth proportional to 1,031,128.20, 1,548,077.40 and 605,100.60 is: 908,463.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,128.20 : 1,548,077.40 = 605,100.60 : x
  2. Step 2: Convert to fraction form
    1,031,128.20/1,548,077.40 = 605,100.60/x
  3. Step 3: Cross multiply
    1,031,128.20x = 1,548,077.40 × 605,100.60
  4. Step 4: Simplify right side
    1,031,128.20x = 936,742,563,586.44
  5. Step 5: Solve for x
    x = 936,742,563,586.44/1,031,128.20
  6. Step 6: Final answer
    x = 908,463.72

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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.