Home / 763,621.32-1,053,735.96-441,352.29

Finding the Fourth Proportional to 763,621.32, 1,053,735.96 and 441,352.29

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Solution

The fourth proportional to 763,621.32, 1,053,735.96 and 441,352.29 is: 609,030.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,621.32 : 1,053,735.96 = 441,352.29 : x
  2. Step 2: Convert to fraction form
    763,621.32/1,053,735.96 = 441,352.29/x
  3. Step 3: Cross multiply
    763,621.32x = 1,053,735.96 × 441,352.29
  4. Step 4: Simplify right side
    763,621.32x = 465,068,779,001.35
  5. Step 5: Solve for x
    x = 465,068,779,001.35/763,621.32
  6. Step 6: Final answer
    x = 609,030.64

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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.