Home / 1,401,624.59-2,102,924.79-442,228.32

Finding the Fourth Proportional to 1,401,624.59, 2,102,924.79 and 442,228.32

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Solution

The fourth proportional to 1,401,624.59, 2,102,924.79 and 442,228.32 is: 663,496.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,624.59 : 2,102,924.79 = 442,228.32 : x
  2. Step 2: Convert to fraction form
    1,401,624.59/2,102,924.79 = 442,228.32/x
  3. Step 3: Cross multiply
    1,401,624.59x = 2,102,924.79 × 442,228.32
  4. Step 4: Simplify right side
    1,401,624.59x = 929,972,896,968.05
  5. Step 5: Solve for x
    x = 929,972,896,968.05/1,401,624.59
  6. Step 6: Final answer
    x = 663,496.42

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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.