Home / 929,040.60-1,393,560.90-742,416.60

Finding the Fourth Proportional to 929,040.60, 1,393,560.90 and 742,416.60

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Solution

The fourth proportional to 929,040.60, 1,393,560.90 and 742,416.60 is: 1,113,624.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,040.60 : 1,393,560.90 = 742,416.60 : x
  2. Step 2: Convert to fraction form
    929,040.60/1,393,560.90 = 742,416.60/x
  3. Step 3: Cross multiply
    929,040.60x = 1,393,560.90 × 742,416.60
  4. Step 4: Simplify right side
    929,040.60x = 1,034,602,745,270.94
  5. Step 5: Solve for x
    x = 1,034,602,745,270.94/929,040.60
  6. Step 6: Final answer
    x = 1,113,624.90

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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.