Home / 405,541.77-559,598.81-224,229.21

Finding the Fourth Proportional to 405,541.77, 559,598.81 and 224,229.21

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Solution

The fourth proportional to 405,541.77, 559,598.81 and 224,229.21 is: 309,409.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,541.77 : 559,598.81 = 224,229.21 : x
  2. Step 2: Convert to fraction form
    405,541.77/559,598.81 = 224,229.21/x
  3. Step 3: Cross multiply
    405,541.77x = 559,598.81 × 224,229.21
  4. Step 4: Simplify right side
    405,541.77x = 125,478,397,962.09
  5. Step 5: Solve for x
    x = 125,478,397,962.09/405,541.77
  6. Step 6: Final answer
    x = 309,409.31

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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.