Home / 843,204.76-1,163,769.53-815,178.96

Finding the Fourth Proportional to 843,204.76, 1,163,769.53 and 815,178.96

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Solution

The fourth proportional to 843,204.76, 1,163,769.53 and 815,178.96 is: 1,125,089.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,204.76 : 1,163,769.53 = 815,178.96 : x
  2. Step 2: Convert to fraction form
    843,204.76/1,163,769.53 = 815,178.96/x
  3. Step 3: Cross multiply
    843,204.76x = 1,163,769.53 × 815,178.96
  4. Step 4: Simplify right side
    843,204.76x = 948,680,431,069.19
  5. Step 5: Solve for x
    x = 948,680,431,069.19/843,204.76
  6. Step 6: Final answer
    x = 1,125,089.04

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1.5x scale

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.