Home / 1,505,969.09-2,078,237.36-826,905.59

Finding the Fourth Proportional to 1,505,969.09, 2,078,237.36 and 826,905.59

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Solution

The fourth proportional to 1,505,969.09, 2,078,237.36 and 826,905.59 is: 1,141,129.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,969.09 : 2,078,237.36 = 826,905.59 : x
  2. Step 2: Convert to fraction form
    1,505,969.09/2,078,237.36 = 826,905.59/x
  3. Step 3: Cross multiply
    1,505,969.09x = 2,078,237.36 × 826,905.59
  4. Step 4: Simplify right side
    1,505,969.09x = 1,718,506,090,330.84
  5. Step 5: Solve for x
    x = 1,718,506,090,330.84/1,505,969.09
  6. Step 6: Final answer
    x = 1,141,129.72

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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.