Home / 809,803.06-1,214,931.60-354,433.95

Finding the Fourth Proportional to 809,803.06, 1,214,931.60 and 354,433.95

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Solution

The fourth proportional to 809,803.06, 1,214,931.60 and 354,433.95 is: 531,750.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,803.06 : 1,214,931.60 = 354,433.95 : x
  2. Step 2: Convert to fraction form
    809,803.06/1,214,931.60 = 354,433.95/x
  3. Step 3: Cross multiply
    809,803.06x = 1,214,931.60 × 354,433.95
  4. Step 4: Simplify right side
    809,803.06x = 430,613,006,964.67
  5. Step 5: Solve for x
    x = 430,613,006,964.67/809,803.06
  6. Step 6: Final answer
    x = 531,750.28

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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.