Home / 1,640,833.36-2,264,345.52-915,673.36

Finding the Fourth Proportional to 1,640,833.36, 2,264,345.52 and 915,673.36

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Solution

The fourth proportional to 1,640,833.36, 2,264,345.52 and 915,673.36 is: 1,263,626.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,833.36 : 2,264,345.52 = 915,673.36 : x
  2. Step 2: Convert to fraction form
    1,640,833.36/2,264,345.52 = 915,673.36/x
  3. Step 3: Cross multiply
    1,640,833.36x = 2,264,345.52 × 915,673.36
  4. Step 4: Simplify right side
    1,640,833.36x = 2,073,400,870,499.35
  5. Step 5: Solve for x
    x = 2,073,400,870,499.35/1,640,833.36
  6. Step 6: Final answer
    x = 1,263,626.72

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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.