Home / 704,021.95-1,055,406.54-254,642.86

Finding the Fourth Proportional to 704,021.95, 1,055,406.54 and 254,642.86

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Solution

The fourth proportional to 704,021.95, 1,055,406.54 and 254,642.86 is: 381,737.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,021.95 : 1,055,406.54 = 254,642.86 : x
  2. Step 2: Convert to fraction form
    704,021.95/1,055,406.54 = 254,642.86/x
  3. Step 3: Cross multiply
    704,021.95x = 1,055,406.54 × 254,642.86
  4. Step 4: Simplify right side
    704,021.95x = 268,751,742,082.47
  5. Step 5: Solve for x
    x = 268,751,742,082.47/704,021.95
  6. Step 6: Final answer
    x = 381,737.73

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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.