Home / 1,640,303.73-2,263,684.77-915,214.77

Finding the Fourth Proportional to 1,640,303.73, 2,263,684.77 and 915,214.77

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Solution

The fourth proportional to 1,640,303.73, 2,263,684.77 and 915,214.77 is: 1,263,033.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,303.73 : 2,263,684.77 = 915,214.77 : x
  2. Step 2: Convert to fraction form
    1,640,303.73/2,263,684.77 = 915,214.77/x
  3. Step 3: Cross multiply
    1,640,303.73x = 2,263,684.77 × 915,214.77
  4. Step 4: Simplify right side
    1,640,303.73x = 2,071,757,736,128.05
  5. Step 5: Solve for x
    x = 2,071,757,736,128.05/1,640,303.73
  6. Step 6: Final answer
    x = 1,263,033.00

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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.