Home / 470,628.12-706,029.66-155,107.24

Finding the Fourth Proportional to 470,628.12, 706,029.66 and 155,107.24

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Solution

The fourth proportional to 470,628.12, 706,029.66 and 155,107.24 is: 232,689.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,628.12 : 706,029.66 = 155,107.24 : x
  2. Step 2: Convert to fraction form
    470,628.12/706,029.66 = 155,107.24/x
  3. Step 3: Cross multiply
    470,628.12x = 706,029.66 × 155,107.24
  4. Step 4: Simplify right side
    470,628.12x = 109,510,311,920.74
  5. Step 5: Solve for x
    x = 109,510,311,920.74/470,628.12
  6. Step 6: Final answer
    x = 232,689.69

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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.