Home / 1,075,603.92-1,613,464.20-542,500.80

Finding the Fourth Proportional to 1,075,603.92, 1,613,464.20 and 542,500.80

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Solution

The fourth proportional to 1,075,603.92, 1,613,464.20 and 542,500.80 is: 813,780.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,603.92 : 1,613,464.20 = 542,500.80 : x
  2. Step 2: Convert to fraction form
    1,075,603.92/1,613,464.20 = 542,500.80/x
  3. Step 3: Cross multiply
    1,075,603.92x = 1,613,464.20 × 542,500.80
  4. Step 4: Simplify right side
    1,075,603.92x = 875,305,619,271.36
  5. Step 5: Solve for x
    x = 875,305,619,271.36/1,075,603.92
  6. Step 6: Final answer
    x = 813,780.61

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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.