Home / 969,989.46-1,338,448.32-550,870.98

Finding the Fourth Proportional to 969,989.46, 1,338,448.32 and 550,870.98

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Solution

The fourth proportional to 969,989.46, 1,338,448.32 and 550,870.98 is: 760,124.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,989.46 : 1,338,448.32 = 550,870.98 : x
  2. Step 2: Convert to fraction form
    969,989.46/1,338,448.32 = 550,870.98/x
  3. Step 3: Cross multiply
    969,989.46x = 1,338,448.32 × 550,870.98
  4. Step 4: Simplify right side
    969,989.46x = 737,312,337,717.75
  5. Step 5: Solve for x
    x = 737,312,337,717.75/969,989.46
  6. Step 6: Final answer
    x = 760,124.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.