Home / 445,222.45-614,499.80-409,355.65

Finding the Fourth Proportional to 445,222.45, 614,499.80 and 409,355.65

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Solution

The fourth proportional to 445,222.45, 614,499.80 and 409,355.65 is: 564,996.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,222.45 : 614,499.80 = 409,355.65 : x
  2. Step 2: Convert to fraction form
    445,222.45/614,499.80 = 409,355.65/x
  3. Step 3: Cross multiply
    445,222.45x = 614,499.80 × 409,355.65
  4. Step 4: Simplify right side
    445,222.45x = 251,548,963,007.09
  5. Step 5: Solve for x
    x = 251,548,963,007.09/445,222.45
  6. Step 6: Final answer
    x = 564,996.13

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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.