Home / 472,795.09-652,434.47-257,922.34

Finding the Fourth Proportional to 472,795.09, 652,434.47 and 257,922.34

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Solution

The fourth proportional to 472,795.09, 652,434.47 and 257,922.34 is: 355,920.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,795.09 : 652,434.47 = 257,922.34 : x
  2. Step 2: Convert to fraction form
    472,795.09/652,434.47 = 257,922.34/x
  3. Step 3: Cross multiply
    472,795.09x = 652,434.47 × 257,922.34
  4. Step 4: Simplify right side
    472,795.09x = 168,277,425,199.06
  5. Step 5: Solve for x
    x = 168,277,425,199.06/472,795.09
  6. Step 6: Final answer
    x = 355,920.42

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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.