Home / 1,161,348-1,742,131.92-451,430.88

Finding the Fourth Proportional to 1,161,348, 1,742,131.92 and 451,430.88

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Solution

The fourth proportional to 1,161,348, 1,742,131.92 and 451,430.88 is: 677,189.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,348 : 1,742,131.92 = 451,430.88 : x
  2. Step 2: Convert to fraction form
    1,161,348/1,742,131.92 = 451,430.88/x
  3. Step 3: Cross multiply
    1,161,348x = 1,742,131.92 × 451,430.88
  4. Step 4: Simplify right side
    1,161,348x = 786,452,145,721.69
  5. Step 5: Solve for x
    x = 786,452,145,721.69/1,161,348
  6. Step 6: Final answer
    x = 677,189.05

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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.