Home / 970,980.65-1,340,527.39-863,252.54

Finding the Fourth Proportional to 970,980.65, 1,340,527.39 and 863,252.54

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Solution

The fourth proportional to 970,980.65, 1,340,527.39 and 863,252.54 is: 1,191,798.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,980.65 : 1,340,527.39 = 863,252.54 : x
  2. Step 2: Convert to fraction form
    970,980.65/1,340,527.39 = 863,252.54/x
  3. Step 3: Cross multiply
    970,980.65x = 1,340,527.39 × 863,252.54
  4. Step 4: Simplify right side
    970,980.65x = 1,157,213,670,523.28
  5. Step 5: Solve for x
    x = 1,157,213,670,523.28/970,980.65
  6. Step 6: Final answer
    x = 1,191,798.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.