Home / 1,281,740.28-1,923,766.02-683,199.96

Finding the Fourth Proportional to 1,281,740.28, 1,923,766.02 and 683,199.96

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Solution

The fourth proportional to 1,281,740.28, 1,923,766.02 and 683,199.96 is: 1,025,415.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,740.28 : 1,923,766.02 = 683,199.96 : x
  2. Step 2: Convert to fraction form
    1,281,740.28/1,923,766.02 = 683,199.96/x
  3. Step 3: Cross multiply
    1,281,740.28x = 1,923,766.02 × 683,199.96
  4. Step 4: Simplify right side
    1,281,740.28x = 1,314,316,867,913.36
  5. Step 5: Solve for x
    x = 1,314,316,867,913.36/1,281,740.28
  6. Step 6: Final answer
    x = 1,025,415.90

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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.