Home / 375,923.28-518,726.33-214,788.76

Finding the Fourth Proportional to 375,923.28, 518,726.33 and 214,788.76

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Solution

The fourth proportional to 375,923.28, 518,726.33 and 214,788.76 is: 296,381.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,923.28 : 518,726.33 = 214,788.76 : x
  2. Step 2: Convert to fraction form
    375,923.28/518,726.33 = 214,788.76/x
  3. Step 3: Cross multiply
    375,923.28x = 518,726.33 × 214,788.76
  4. Step 4: Simplify right side
    375,923.28x = 111,416,586,552.59
  5. Step 5: Solve for x
    x = 111,416,586,552.59/375,923.28
  6. Step 6: Final answer
    x = 296,381.18

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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.