Home / 1,008,221.34-1,391,329.20-549,341.97

Finding the Fourth Proportional to 1,008,221.34, 1,391,329.20 and 549,341.97

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Solution

The fourth proportional to 1,008,221.34, 1,391,329.20 and 549,341.97 is: 758,083.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,221.34 : 1,391,329.20 = 549,341.97 : x
  2. Step 2: Convert to fraction form
    1,008,221.34/1,391,329.20 = 549,341.97/x
  3. Step 3: Cross multiply
    1,008,221.34x = 1,391,329.20 × 549,341.97
  4. Step 4: Simplify right side
    1,008,221.34x = 764,315,523,646.52
  5. Step 5: Solve for x
    x = 764,315,523,646.52/1,008,221.34
  6. Step 6: Final answer
    x = 758,083.07

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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.