Home / 1,077,831.40-1,618,496.70-605,439.40

Finding the Fourth Proportional to 1,077,831.40, 1,618,496.70 and 605,439.40

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Solution

The fourth proportional to 1,077,831.40, 1,618,496.70 and 605,439.40 is: 909,141.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,831.40 : 1,618,496.70 = 605,439.40 : x
  2. Step 2: Convert to fraction form
    1,077,831.40/1,618,496.70 = 605,439.40/x
  3. Step 3: Cross multiply
    1,077,831.40x = 1,618,496.70 × 605,439.40
  4. Step 4: Simplify right side
    1,077,831.40x = 979,901,670,949.98
  5. Step 5: Solve for x
    x = 979,901,670,949.98/1,077,831.40
  6. Step 6: Final answer
    x = 909,141.89

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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.