Home / 1,535,904.28-2,119,548.82-856,840.78

Finding the Fourth Proportional to 1,535,904.28, 2,119,548.82 and 856,840.78

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Solution

The fourth proportional to 1,535,904.28, 2,119,548.82 and 856,840.78 is: 1,182,440.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,904.28 : 2,119,548.82 = 856,840.78 : x
  2. Step 2: Convert to fraction form
    1,535,904.28/2,119,548.82 = 856,840.78/x
  3. Step 3: Cross multiply
    1,535,904.28x = 2,119,548.82 × 856,840.78
  4. Step 4: Simplify right side
    1,535,904.28x = 1,816,115,866,290.79
  5. Step 5: Solve for x
    x = 1,816,115,866,290.79/1,535,904.28
  6. Step 6: Final answer
    x = 1,182,440.79

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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.