Home / 1,385,648.10-1,912,157.01-773,783.82

Finding the Fourth Proportional to 1,385,648.10, 1,912,157.01 and 773,783.82

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Solution

The fourth proportional to 1,385,648.10, 1,912,157.01 and 773,783.82 is: 1,067,800.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,648.10 : 1,912,157.01 = 773,783.82 : x
  2. Step 2: Convert to fraction form
    1,385,648.10/1,912,157.01 = 773,783.82/x
  3. Step 3: Cross multiply
    1,385,648.10x = 1,912,157.01 × 773,783.82
  4. Step 4: Simplify right side
    1,385,648.10x = 1,479,596,155,637.58
  5. Step 5: Solve for x
    x = 1,479,596,155,637.58/1,385,648.10
  6. Step 6: Final answer
    x = 1,067,800.80

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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.