Home / 1,578,517.08-2,178,347.04-853,364.58

Finding the Fourth Proportional to 1,578,517.08, 2,178,347.04 and 853,364.58

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Solution

The fourth proportional to 1,578,517.08, 2,178,347.04 and 853,364.58 is: 1,177,639.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,517.08 : 2,178,347.04 = 853,364.58 : x
  2. Step 2: Convert to fraction form
    1,578,517.08/2,178,347.04 = 853,364.58/x
  3. Step 3: Cross multiply
    1,578,517.08x = 2,178,347.04 × 853,364.58
  4. Step 4: Simplify right side
    1,578,517.08x = 1,858,924,206,883.84
  5. Step 5: Solve for x
    x = 1,858,924,206,883.84/1,578,517.08
  6. Step 6: Final answer
    x = 1,177,639.59

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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.