Home / 1,966,870.40-2,950,305.60-768,831.80

Finding the Fourth Proportional to 1,966,870.40, 2,950,305.60 and 768,831.80

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Solution

The fourth proportional to 1,966,870.40, 2,950,305.60 and 768,831.80 is: 1,153,247.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966,870.40 : 2,950,305.60 = 768,831.80 : x
  2. Step 2: Convert to fraction form
    1,966,870.40/2,950,305.60 = 768,831.80/x
  3. Step 3: Cross multiply
    1,966,870.40x = 2,950,305.60 × 768,831.80
  4. Step 4: Simplify right side
    1,966,870.40x = 2,268,288,764,998.08
  5. Step 5: Solve for x
    x = 2,268,288,764,998.08/1,966,870.40
  6. Step 6: Final answer
    x = 1,153,247.70

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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.