Home / 1,051,777.89-1,451,212.47-664,127.35

Finding the Fourth Proportional to 1,051,777.89, 1,451,212.47 and 664,127.35

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Solution

The fourth proportional to 1,051,777.89, 1,451,212.47 and 664,127.35 is: 916,343.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,777.89 : 1,451,212.47 = 664,127.35 : x
  2. Step 2: Convert to fraction form
    1,051,777.89/1,451,212.47 = 664,127.35/x
  3. Step 3: Cross multiply
    1,051,777.89x = 1,451,212.47 × 664,127.35
  4. Step 4: Simplify right side
    1,051,777.89x = 963,789,888,360.02
  5. Step 5: Solve for x
    x = 963,789,888,360.02/1,051,777.89
  6. Step 6: Final answer
    x = 916,343.55

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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.