Home / 1,257,214.28-1,886,114.25-358,668.32

Finding the Fourth Proportional to 1,257,214.28, 1,886,114.25 and 358,668.32

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Solution

The fourth proportional to 1,257,214.28, 1,886,114.25 and 358,668.32 is: 538,086.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,214.28 : 1,886,114.25 = 358,668.32 : x
  2. Step 2: Convert to fraction form
    1,257,214.28/1,886,114.25 = 358,668.32/x
  3. Step 3: Cross multiply
    1,257,214.28x = 1,886,114.25 × 358,668.32
  4. Step 4: Simplify right side
    1,257,214.28x = 676,489,419,944.99
  5. Step 5: Solve for x
    x = 676,489,419,944.99/1,257,214.28
  6. Step 6: Final answer
    x = 538,086.02

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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.