Home / 445,224.45-614,502.56-409,357.65

Finding the Fourth Proportional to 445,224.45, 614,502.56 and 409,357.65

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Solution

The fourth proportional to 445,224.45, 614,502.56 and 409,357.65 is: 564,998.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,224.45 : 614,502.56 = 409,357.65 : x
  2. Step 2: Convert to fraction form
    445,224.45/614,502.56 = 409,357.65/x
  3. Step 3: Cross multiply
    445,224.45x = 614,502.56 × 409,357.65
  4. Step 4: Simplify right side
    445,224.45x = 251,551,323,880.58
  5. Step 5: Solve for x
    x = 251,551,323,880.58/445,224.45
  6. Step 6: Final answer
    x = 564,998.90

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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.