Home / 1,291,075.12-1,935,278.88-492,142.24

Finding the Fourth Proportional to 1,291,075.12, 1,935,278.88 and 492,142.24

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Solution

The fourth proportional to 1,291,075.12, 1,935,278.88 and 492,142.24 is: 737,704.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,075.12 : 1,935,278.88 = 492,142.24 : x
  2. Step 2: Convert to fraction form
    1,291,075.12/1,935,278.88 = 492,142.24/x
  3. Step 3: Cross multiply
    1,291,075.12x = 1,935,278.88 × 492,142.24
  4. Step 4: Simplify right side
    1,291,075.12x = 952,432,483,027.89
  5. Step 5: Solve for x
    x = 952,432,483,027.89/1,291,075.12
  6. Step 6: Final answer
    x = 737,704.93

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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.