Home / 763,540.89-1,053,779.37-441,253.62

Finding the Fourth Proportional to 763,540.89, 1,053,779.37 and 441,253.62

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Solution

The fourth proportional to 763,540.89, 1,053,779.37 and 441,253.62 is: 608,983.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,540.89 : 1,053,779.37 = 441,253.62 : x
  2. Step 2: Convert to fraction form
    763,540.89/1,053,779.37 = 441,253.62/x
  3. Step 3: Cross multiply
    763,540.89x = 1,053,779.37 × 441,253.62
  4. Step 4: Simplify right side
    763,540.89x = 464,983,961,693.82
  5. Step 5: Solve for x
    x = 464,983,961,693.82/763,540.89
  6. Step 6: Final answer
    x = 608,983.71

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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.