Home / 1,152,764.65-1,590,809.07-669,448.54

Finding the Fourth Proportional to 1,152,764.65, 1,590,809.07 and 669,448.54

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Solution

The fourth proportional to 1,152,764.65, 1,590,809.07 and 669,448.54 is: 923,835.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,764.65 : 1,590,809.07 = 669,448.54 : x
  2. Step 2: Convert to fraction form
    1,152,764.65/1,590,809.07 = 669,448.54/x
  3. Step 3: Cross multiply
    1,152,764.65x = 1,590,809.07 × 669,448.54
  4. Step 4: Simplify right side
    1,152,764.65x = 1,064,964,809,330.26
  5. Step 5: Solve for x
    x = 1,064,964,809,330.26/1,152,764.65
  6. Step 6: Final answer
    x = 923,835.42

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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.