Home / 1,385,760.53-1,912,330.75-773,924.20

Finding the Fourth Proportional to 1,385,760.53, 1,912,330.75 and 773,924.20

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Solution

The fourth proportional to 1,385,760.53, 1,912,330.75 and 773,924.20 is: 1,068,004.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,760.53 : 1,912,330.75 = 773,924.20 : x
  2. Step 2: Convert to fraction form
    1,385,760.53/1,912,330.75 = 773,924.20/x
  3. Step 3: Cross multiply
    1,385,760.53x = 1,912,330.75 × 773,924.20
  4. Step 4: Simplify right side
    1,385,760.53x = 1,479,999,045,829.15
  5. Step 5: Solve for x
    x = 1,479,999,045,829.15/1,385,760.53
  6. Step 6: Final answer
    x = 1,068,004.91

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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.