Home / 472,912.40-652,606.80-258,055.04

Finding the Fourth Proportional to 472,912.40, 652,606.80 and 258,055.04

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Solution

The fourth proportional to 472,912.40, 652,606.80 and 258,055.04 is: 356,109.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,912.40 : 652,606.80 = 258,055.04 : x
  2. Step 2: Convert to fraction form
    472,912.40/652,606.80 = 258,055.04/x
  3. Step 3: Cross multiply
    472,912.40x = 652,606.80 × 258,055.04
  4. Step 4: Simplify right side
    472,912.40x = 168,408,473,878.27
  5. Step 5: Solve for x
    x = 168,408,473,878.27/472,912.40
  6. Step 6: Final answer
    x = 356,109.24

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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.