Home / 430,900.65-594,667.43-258,871.23

Finding the Fourth Proportional to 430,900.65, 594,667.43 and 258,871.23

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Solution

The fourth proportional to 430,900.65, 594,667.43 and 258,871.23 is: 357,257.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,900.65 : 594,667.43 = 258,871.23 : x
  2. Step 2: Convert to fraction form
    430,900.65/594,667.43 = 258,871.23/x
  3. Step 3: Cross multiply
    430,900.65x = 594,667.43 × 258,871.23
  4. Step 4: Simplify right side
    430,900.65x = 153,942,287,750.68
  5. Step 5: Solve for x
    x = 153,942,287,750.68/430,900.65
  6. Step 6: Final answer
    x = 357,257.03

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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.