Home / 1,729,211.40-2,386,212.75-965,313.36

Finding the Fourth Proportional to 1,729,211.40, 2,386,212.75 and 965,313.36

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Solution

The fourth proportional to 1,729,211.40, 2,386,212.75 and 965,313.36 is: 1,332,077.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729,211.40 : 2,386,212.75 = 965,313.36 : x
  2. Step 2: Convert to fraction form
    1,729,211.40/2,386,212.75 = 965,313.36/x
  3. Step 3: Cross multiply
    1,729,211.40x = 2,386,212.75 × 965,313.36
  4. Step 4: Simplify right side
    1,729,211.40x = 2,303,443,047,377.34
  5. Step 5: Solve for x
    x = 2,303,443,047,377.34/1,729,211.40
  6. Step 6: Final answer
    x = 1,332,077.18

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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.