Home / 1,289,347.20-1,933,353.34-578,763.36

Finding the Fourth Proportional to 1,289,347.20, 1,933,353.34 and 578,763.36

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Solution

The fourth proportional to 1,289,347.20, 1,933,353.34 and 578,763.36 is: 867,845.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,347.20 : 1,933,353.34 = 578,763.36 : x
  2. Step 2: Convert to fraction form
    1,289,347.20/1,933,353.34 = 578,763.36/x
  3. Step 3: Cross multiply
    1,289,347.20x = 1,933,353.34 × 578,763.36
  4. Step 4: Simplify right side
    1,289,347.20x = 1,118,954,075,125.62
  5. Step 5: Solve for x
    x = 1,118,954,075,125.62/1,289,347.20
  6. Step 6: Final answer
    x = 867,845.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.