Home / 414,140.04-570,102.84-306,507.24

Finding the Fourth Proportional to 414,140.04, 570,102.84 and 306,507.24

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Solution

The fourth proportional to 414,140.04, 570,102.84 and 306,507.24 is: 421,936.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,140.04 : 570,102.84 = 306,507.24 : x
  2. Step 2: Convert to fraction form
    414,140.04/570,102.84 = 306,507.24/x
  3. Step 3: Cross multiply
    414,140.04x = 570,102.84 × 306,507.24
  4. Step 4: Simplify right side
    414,140.04x = 174,740,648,004.56
  5. Step 5: Solve for x
    x = 174,740,648,004.56/414,140.04
  6. Step 6: Final answer
    x = 421,936.14

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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.