Home / 1,869,176.80-2,805,608.40-923,615.20

Finding the Fourth Proportional to 1,869,176.80, 2,805,608.40 and 923,615.20

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Solution

The fourth proportional to 1,869,176.80, 2,805,608.40 and 923,615.20 is: 1,386,333.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,176.80 : 2,805,608.40 = 923,615.20 : x
  2. Step 2: Convert to fraction form
    1,869,176.80/2,805,608.40 = 923,615.20/x
  3. Step 3: Cross multiply
    1,869,176.80x = 2,805,608.40 × 923,615.20
  4. Step 4: Simplify right side
    1,869,176.80x = 2,591,302,563,487.68
  5. Step 5: Solve for x
    x = 2,591,302,563,487.68/1,869,176.80
  6. Step 6: Final answer
    x = 1,386,333.58

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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.