Home / 1,161,911.20-1,742,521.20-451,530.40

Finding the Fourth Proportional to 1,161,911.20, 1,742,521.20 and 451,530.40

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Solution

The fourth proportional to 1,161,911.20, 1,742,521.20 and 451,530.40 is: 677,161.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,911.20 : 1,742,521.20 = 451,530.40 : x
  2. Step 2: Convert to fraction form
    1,161,911.20/1,742,521.20 = 451,530.40/x
  3. Step 3: Cross multiply
    1,161,911.20x = 1,742,521.20 × 451,530.40
  4. Step 4: Simplify right side
    1,161,911.20x = 786,801,294,444.48
  5. Step 5: Solve for x
    x = 786,801,294,444.48/1,161,911.20
  6. Step 6: Final answer
    x = 677,161.30

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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.