Home / 1,257,975.75-1,885,217.84-573,189.07

Finding the Fourth Proportional to 1,257,975.75, 1,885,217.84 and 573,189.07

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Solution

The fourth proportional to 1,257,975.75, 1,885,217.84 and 573,189.07 is: 858,988.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,975.75 : 1,885,217.84 = 573,189.07 : x
  2. Step 2: Convert to fraction form
    1,257,975.75/1,885,217.84 = 573,189.07/x
  3. Step 3: Cross multiply
    1,257,975.75x = 1,885,217.84 × 573,189.07
  4. Step 4: Simplify right side
    1,257,975.75x = 1,080,586,251,030.92
  5. Step 5: Solve for x
    x = 1,080,586,251,030.92/1,257,975.75
  6. Step 6: Final answer
    x = 858,988.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.