Home / 1,535,874.39-2,119,507.56-856,810.89

Finding the Fourth Proportional to 1,535,874.39, 2,119,507.56 and 856,810.89

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Solution

The fourth proportional to 1,535,874.39, 2,119,507.56 and 856,810.89 is: 1,182,399.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,874.39 : 2,119,507.56 = 856,810.89 : x
  2. Step 2: Convert to fraction form
    1,535,874.39/2,119,507.56 = 856,810.89/x
  3. Step 3: Cross multiply
    1,535,874.39x = 2,119,507.56 × 856,810.89
  4. Step 4: Simplify right side
    1,535,874.39x = 1,816,017,158,845.33
  5. Step 5: Solve for x
    x = 1,816,017,158,845.33/1,535,874.39
  6. Step 6: Final answer
    x = 1,182,399.53

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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.