Home / 1,028,290.19-1,419,039.57-569,404.74

Finding the Fourth Proportional to 1,028,290.19, 1,419,039.57 and 569,404.74

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Solution

The fourth proportional to 1,028,290.19, 1,419,039.57 and 569,404.74 is: 785,778.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,290.19 : 1,419,039.57 = 569,404.74 : x
  2. Step 2: Convert to fraction form
    1,028,290.19/1,419,039.57 = 569,404.74/x
  3. Step 3: Cross multiply
    1,028,290.19x = 1,419,039.57 × 569,404.74
  4. Step 4: Simplify right side
    1,028,290.19x = 808,007,862,866.70
  5. Step 5: Solve for x
    x = 808,007,862,866.70/1,028,290.19
  6. Step 6: Final answer
    x = 785,778.05

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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.