Home / 1,289,075.41-1,941,324.96-1,174,156.45

Finding the Fourth Proportional to 1,289,075.41, 1,941,324.96 and 1,174,156.45

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Solution

The fourth proportional to 1,289,075.41, 1,941,324.96 and 1,174,156.45 is: 1,768,259.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,075.41 : 1,941,324.96 = 1,174,156.45 : x
  2. Step 2: Convert to fraction form
    1,289,075.41/1,941,324.96 = 1,174,156.45/x
  3. Step 3: Cross multiply
    1,289,075.41x = 1,941,324.96 × 1,174,156.45
  4. Step 4: Simplify right side
    1,289,075.41x = 2,279,419,217,459.21
  5. Step 5: Solve for x
    x = 2,279,419,217,459.21/1,289,075.41
  6. Step 6: Final answer
    x = 1,768,259.02

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.