Home / 1,028,296.85-1,419,041.70-569,409.57

Finding the Fourth Proportional to 1,028,296.85, 1,419,041.70 and 569,409.57

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Solution

The fourth proportional to 1,028,296.85, 1,419,041.70 and 569,409.57 is: 785,780.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,296.85 : 1,419,041.70 = 569,409.57 : x
  2. Step 2: Convert to fraction form
    1,028,296.85/1,419,041.70 = 569,409.57/x
  3. Step 3: Cross multiply
    1,028,296.85x = 1,419,041.70 × 569,409.57
  4. Step 4: Simplify right side
    1,028,296.85x = 808,015,924,209.07
  5. Step 5: Solve for x
    x = 808,015,924,209.07/1,028,296.85
  6. Step 6: Final answer
    x = 785,780.81

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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.