Home / 1,343,228.32-2,014,990.10-669,479.23

Finding the Fourth Proportional to 1,343,228.32, 2,014,990.10 and 669,479.23

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Solution

The fourth proportional to 1,343,228.32, 2,014,990.10 and 669,479.23 is: 1,004,292.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,228.32 : 2,014,990.10 = 669,479.23 : x
  2. Step 2: Convert to fraction form
    1,343,228.32/2,014,990.10 = 669,479.23/x
  3. Step 3: Cross multiply
    1,343,228.32x = 2,014,990.10 × 669,479.23
  4. Step 4: Simplify right side
    1,343,228.32x = 1,348,994,020,605.62
  5. Step 5: Solve for x
    x = 1,348,994,020,605.62/1,343,228.32
  6. Step 6: Final answer
    x = 1,004,292.42

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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.