Home / 929,200.10-1,393,800.15-742,576.10

Finding the Fourth Proportional to 929,200.10, 1,393,800.15 and 742,576.10

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Solution

The fourth proportional to 929,200.10, 1,393,800.15 and 742,576.10 is: 1,113,864.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,200.10 : 1,393,800.15 = 742,576.10 : x
  2. Step 2: Convert to fraction form
    929,200.10/1,393,800.15 = 742,576.10/x
  3. Step 3: Cross multiply
    929,200.10x = 1,393,800.15 × 742,576.10
  4. Step 4: Simplify right side
    929,200.10x = 1,035,002,679,566.41
  5. Step 5: Solve for x
    x = 1,035,002,679,566.41/929,200.10
  6. Step 6: Final answer
    x = 1,113,864.15

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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.