Home / 824,968.98-1,138,453.56-462,392.85

Finding the Fourth Proportional to 824,968.98, 1,138,453.56 and 462,392.85

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Solution

The fourth proportional to 824,968.98, 1,138,453.56 and 462,392.85 is: 638,100.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,968.98 : 1,138,453.56 = 462,392.85 : x
  2. Step 2: Convert to fraction form
    824,968.98/1,138,453.56 = 462,392.85/x
  3. Step 3: Cross multiply
    824,968.98x = 1,138,453.56 × 462,392.85
  4. Step 4: Simplify right side
    824,968.98x = 526,412,789,169.77
  5. Step 5: Solve for x
    x = 526,412,789,169.77/824,968.98
  6. Step 6: Final answer
    x = 638,100.10

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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.