Home / 405,786.36-559,972.98-224,487.72

Finding the Fourth Proportional to 405,786.36, 559,972.98 and 224,487.72

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Solution

The fourth proportional to 405,786.36, 559,972.98 and 224,487.72 is: 309,786.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,786.36 : 559,972.98 = 224,487.72 : x
  2. Step 2: Convert to fraction form
    405,786.36/559,972.98 = 224,487.72/x
  3. Step 3: Cross multiply
    405,786.36x = 559,972.98 × 224,487.72
  4. Step 4: Simplify right side
    405,786.36x = 125,707,057,541.81
  5. Step 5: Solve for x
    x = 125,707,057,541.81/405,786.36
  6. Step 6: Final answer
    x = 309,786.31

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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.