Home / 763,623.82-1,053,739.41-441,354.79

Finding the Fourth Proportional to 763,623.82, 1,053,739.41 and 441,354.79

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Solution

The fourth proportional to 763,623.82, 1,053,739.41 and 441,354.79 is: 609,034.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,623.82 : 1,053,739.41 = 441,354.79 : x
  2. Step 2: Convert to fraction form
    763,623.82/1,053,739.41 = 441,354.79/x
  3. Step 3: Cross multiply
    763,623.82x = 1,053,739.41 × 441,354.79
  4. Step 4: Simplify right side
    763,623.82x = 465,072,930,746.58
  5. Step 5: Solve for x
    x = 465,072,930,746.58/763,623.82
  6. Step 6: Final answer
    x = 609,034.08

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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.