Home / 405,256.28-559,254.34-223,968.16

Finding the Fourth Proportional to 405,256.28, 559,254.34 and 223,968.16

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Solution

The fourth proportional to 405,256.28, 559,254.34 and 223,968.16 is: 309,076.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,256.28 : 559,254.34 = 223,968.16 : x
  2. Step 2: Convert to fraction form
    405,256.28/559,254.34 = 223,968.16/x
  3. Step 3: Cross multiply
    405,256.28x = 559,254.34 × 223,968.16
  4. Step 4: Simplify right side
    405,256.28x = 125,255,168,526.18
  5. Step 5: Solve for x
    x = 125,255,168,526.18/405,256.28
  6. Step 6: Final answer
    x = 309,076.44

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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.