Home / 1,078,771.44-1,618,332.72-404,905.68

Finding the Fourth Proportional to 1,078,771.44, 1,618,332.72 and 404,905.68

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Solution

The fourth proportional to 1,078,771.44, 1,618,332.72 and 404,905.68 is: 607,424.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,771.44 : 1,618,332.72 = 404,905.68 : x
  2. Step 2: Convert to fraction form
    1,078,771.44/1,618,332.72 = 404,905.68/x
  3. Step 3: Cross multiply
    1,078,771.44x = 1,618,332.72 × 404,905.68
  4. Step 4: Simplify right side
    1,078,771.44x = 655,272,110,457.85
  5. Step 5: Solve for x
    x = 655,272,110,457.85/1,078,771.44
  6. Step 6: Final answer
    x = 607,424.41

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1.5x scale

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.