Home / 970,951.23-1,340,486.79-863,223.12

Finding the Fourth Proportional to 970,951.23, 1,340,486.79 and 863,223.12

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Solution

The fourth proportional to 970,951.23, 1,340,486.79 and 863,223.12 is: 1,191,758.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,951.23 : 1,340,486.79 = 863,223.12 : x
  2. Step 2: Convert to fraction form
    970,951.23/1,340,486.79 = 863,223.12/x
  3. Step 3: Cross multiply
    970,951.23x = 1,340,486.79 × 863,223.12
  4. Step 4: Simplify right side
    970,951.23x = 1,157,139,189,182.58
  5. Step 5: Solve for x
    x = 1,157,139,189,182.58/970,951.23
  6. Step 6: Final answer
    x = 1,191,758.30

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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.