Home / 973,406.20-1,343,286.30-543,692.56

Finding the Fourth Proportional to 973,406.20, 1,343,286.30 and 543,692.56

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Solution

The fourth proportional to 973,406.20, 1,343,286.30 and 543,692.56 is: 750,287.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    973,406.20 : 1,343,286.30 = 543,692.56 : x
  2. Step 2: Convert to fraction form
    973,406.20/1,343,286.30 = 543,692.56/x
  3. Step 3: Cross multiply
    973,406.20x = 1,343,286.30 × 543,692.56
  4. Step 4: Simplify right side
    973,406.20x = 730,334,767,259.93
  5. Step 5: Solve for x
    x = 730,334,767,259.93/973,406.20
  6. Step 6: Final answer
    x = 750,287.77

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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.