Home / 1,214,009.27-1,675,323.53-670,145.48

Finding the Fourth Proportional to 1,214,009.27, 1,675,323.53 and 670,145.48

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Solution

The fourth proportional to 1,214,009.27, 1,675,323.53 and 670,145.48 is: 924,795.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,009.27 : 1,675,323.53 = 670,145.48 : x
  2. Step 2: Convert to fraction form
    1,214,009.27/1,675,323.53 = 670,145.48/x
  3. Step 3: Cross multiply
    1,214,009.27x = 1,675,323.53 × 670,145.48
  4. Step 4: Simplify right side
    1,214,009.27x = 1,122,710,479,439.80
  5. Step 5: Solve for x
    x = 1,122,710,479,439.80/1,214,009.27
  6. Step 6: Final answer
    x = 924,795.64

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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.