Home / 763,672.46-1,053,788.94-441,486.05

Finding the Fourth Proportional to 763,672.46, 1,053,788.94 and 441,486.05

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Solution

The fourth proportional to 763,672.46, 1,053,788.94 and 441,486.05 is: 609,205.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,672.46 : 1,053,788.94 = 441,486.05 : x
  2. Step 2: Convert to fraction form
    763,672.46/1,053,788.94 = 441,486.05/x
  3. Step 3: Cross multiply
    763,672.46x = 1,053,788.94 × 441,486.05
  4. Step 4: Simplify right side
    763,672.46x = 465,233,111,385.34
  5. Step 5: Solve for x
    x = 465,233,111,385.34/763,672.46
  6. Step 6: Final answer
    x = 609,205.04

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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.