Home / 1,184,500.11-1,634,604.97-640,636.55

Finding the Fourth Proportional to 1,184,500.11, 1,634,604.97 and 640,636.55

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Solution

The fourth proportional to 1,184,500.11, 1,634,604.97 and 640,636.55 is: 884,075.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,500.11 : 1,634,604.97 = 640,636.55 : x
  2. Step 2: Convert to fraction form
    1,184,500.11/1,634,604.97 = 640,636.55/x
  3. Step 3: Cross multiply
    1,184,500.11x = 1,634,604.97 × 640,636.55
  4. Step 4: Simplify right side
    1,184,500.11x = 1,047,187,688,593.65
  5. Step 5: Solve for x
    x = 1,047,187,688,593.65/1,184,500.11
  6. Step 6: Final answer
    x = 884,075.64

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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.