Home / 1,184,640.39-1,634,803.94-640,775.94

Finding the Fourth Proportional to 1,184,640.39, 1,634,803.94 and 640,775.94

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Solution

The fourth proportional to 1,184,640.39, 1,634,803.94 and 640,775.94 is: 884,270.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,640.39 : 1,634,803.94 = 640,775.94 : x
  2. Step 2: Convert to fraction form
    1,184,640.39/1,634,803.94 = 640,775.94/x
  3. Step 3: Cross multiply
    1,184,640.39x = 1,634,803.94 × 640,775.94
  4. Step 4: Simplify right side
    1,184,640.39x = 1,047,543,028,165.32
  5. Step 5: Solve for x
    x = 1,047,543,028,165.32/1,184,640.39
  6. Step 6: Final answer
    x = 884,270.90

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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.