Home / 920,926.56-1,381,564.80-322,057.92

Finding the Fourth Proportional to 920,926.56, 1,381,564.80 and 322,057.92

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Solution

The fourth proportional to 920,926.56, 1,381,564.80 and 322,057.92 is: 483,148.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,926.56 : 1,381,564.80 = 322,057.92 : x
  2. Step 2: Convert to fraction form
    920,926.56/1,381,564.80 = 322,057.92/x
  3. Step 3: Cross multiply
    920,926.56x = 1,381,564.80 × 322,057.92
  4. Step 4: Simplify right side
    920,926.56x = 444,943,885,833.22
  5. Step 5: Solve for x
    x = 444,943,885,833.22/920,926.56
  6. Step 6: Final answer
    x = 483,148.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.