Home / 462,990.24-638,784.84-301,786.56

Finding the Fourth Proportional to 462,990.24, 638,784.84 and 301,786.56

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Solution

The fourth proportional to 462,990.24, 638,784.84 and 301,786.56 is: 416,373.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,990.24 : 638,784.84 = 301,786.56 : x
  2. Step 2: Convert to fraction form
    462,990.24/638,784.84 = 301,786.56/x
  3. Step 3: Cross multiply
    462,990.24x = 638,784.84 × 301,786.56
  4. Step 4: Simplify right side
    462,990.24x = 192,776,679,443.75
  5. Step 5: Solve for x
    x = 192,776,679,443.75/462,990.24
  6. Step 6: Final answer
    x = 416,373.10

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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.