Home / 405,929.28-560,170.92-224,648.76

Finding the Fourth Proportional to 405,929.28, 560,170.92 and 224,648.76

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Solution

The fourth proportional to 405,929.28, 560,170.92 and 224,648.76 is: 310,008.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,929.28 : 560,170.92 = 224,648.76 : x
  2. Step 2: Convert to fraction form
    405,929.28/560,170.92 = 224,648.76/x
  3. Step 3: Cross multiply
    405,929.28x = 560,170.92 × 224,648.76
  4. Step 4: Simplify right side
    405,929.28x = 125,841,702,566.06
  5. Step 5: Solve for x
    x = 125,841,702,566.06/405,929.28
  6. Step 6: Final answer
    x = 310,008.93

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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.