Home / 921,535.57-1,382,926.11-322,501.96

Finding the Fourth Proportional to 921,535.57, 1,382,926.11 and 322,501.96

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Solution

The fourth proportional to 921,535.57, 1,382,926.11 and 322,501.96 is: 483,970.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,535.57 : 1,382,926.11 = 322,501.96 : x
  2. Step 2: Convert to fraction form
    921,535.57/1,382,926.11 = 322,501.96/x
  3. Step 3: Cross multiply
    921,535.57x = 1,382,926.11 × 322,501.96
  4. Step 4: Simplify right side
    921,535.57x = 445,996,381,010.18
  5. Step 5: Solve for x
    x = 445,996,381,010.18/921,535.57
  6. Step 6: Final answer
    x = 483,970.88

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1.5x scale

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.