Home / 1,257,360.76-1,886,086.95-447,804.71

Finding the Fourth Proportional to 1,257,360.76, 1,886,086.95 and 447,804.71

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Solution

The fourth proportional to 1,257,360.76, 1,886,086.95 and 447,804.71 is: 671,723.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,360.76 : 1,886,086.95 = 447,804.71 : x
  2. Step 2: Convert to fraction form
    1,257,360.76/1,886,086.95 = 447,804.71/x
  3. Step 3: Cross multiply
    1,257,360.76x = 1,886,086.95 × 447,804.71
  4. Step 4: Simplify right side
    1,257,360.76x = 844,598,619,679.54
  5. Step 5: Solve for x
    x = 844,598,619,679.54/1,257,360.76
  6. Step 6: Final answer
    x = 671,723.38

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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.