Home / 1,028,784.29-1,419,703.72-569,897.44

Finding the Fourth Proportional to 1,028,784.29, 1,419,703.72 and 569,897.44

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Solution

The fourth proportional to 1,028,784.29, 1,419,703.72 and 569,897.44 is: 786,448.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,784.29 : 1,419,703.72 = 569,897.44 : x
  2. Step 2: Convert to fraction form
    1,028,784.29/1,419,703.72 = 569,897.44/x
  3. Step 3: Cross multiply
    1,028,784.29x = 1,419,703.72 × 569,897.44
  4. Step 4: Simplify right side
    1,028,784.29x = 809,085,505,638.47
  5. Step 5: Solve for x
    x = 809,085,505,638.47/1,028,784.29
  6. Step 6: Final answer
    x = 786,448.16

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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.