Home / 472,976.76-652,721.68-258,130.56

Finding the Fourth Proportional to 472,976.76, 652,721.68 and 258,130.56

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Solution

The fourth proportional to 472,976.76, 652,721.68 and 258,130.56 is: 356,227.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,976.76 : 652,721.68 = 258,130.56 : x
  2. Step 2: Convert to fraction form
    472,976.76/652,721.68 = 258,130.56/x
  3. Step 3: Cross multiply
    472,976.76x = 652,721.68 × 258,130.56
  4. Step 4: Simplify right side
    472,976.76x = 168,487,412,782.54
  5. Step 5: Solve for x
    x = 168,487,412,782.54/472,976.76
  6. Step 6: Final answer
    x = 356,227.68

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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.