Home / 1,075,542.57-1,614,311.37-543,437.28

Finding the Fourth Proportional to 1,075,542.57, 1,614,311.37 and 543,437.28

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Solution

The fourth proportional to 1,075,542.57, 1,614,311.37 and 543,437.28 is: 815,659.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,542.57 : 1,614,311.37 = 543,437.28 : x
  2. Step 2: Convert to fraction form
    1,075,542.57/1,614,311.37 = 543,437.28/x
  3. Step 3: Cross multiply
    1,075,542.57x = 1,614,311.37 × 543,437.28
  4. Step 4: Simplify right side
    1,075,542.57x = 877,276,979,985.87
  5. Step 5: Solve for x
    x = 877,276,979,985.87/1,075,542.57
  6. Step 6: Final answer
    x = 815,659.93

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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.