Home / 1,203,933.71-1,661,364.95-687,585.44

Finding the Fourth Proportional to 1,203,933.71, 1,661,364.95 and 687,585.44

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Solution

The fourth proportional to 1,203,933.71, 1,661,364.95 and 687,585.44 is: 948,831.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,933.71 : 1,661,364.95 = 687,585.44 : x
  2. Step 2: Convert to fraction form
    1,203,933.71/1,661,364.95 = 687,585.44/x
  3. Step 3: Cross multiply
    1,203,933.71x = 1,661,364.95 × 687,585.44
  4. Step 4: Simplify right side
    1,203,933.71x = 1,142,330,350,861.81
  5. Step 5: Solve for x
    x = 1,142,330,350,861.81/1,203,933.71
  6. Step 6: Final answer
    x = 948,831.60

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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.