Home / 675,213.98-931,819.54-384,869.36

Finding the Fourth Proportional to 675,213.98, 931,819.54 and 384,869.36

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Solution

The fourth proportional to 675,213.98, 931,819.54 and 384,869.36 is: 531,133.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,213.98 : 931,819.54 = 384,869.36 : x
  2. Step 2: Convert to fraction form
    675,213.98/931,819.54 = 384,869.36/x
  3. Step 3: Cross multiply
    675,213.98x = 931,819.54 × 384,869.36
  4. Step 4: Simplify right side
    675,213.98x = 358,628,789,995.29
  5. Step 5: Solve for x
    x = 358,628,789,995.29/675,213.98
  6. Step 6: Final answer
    x = 531,133.54

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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.