Home / 735,320.10-1,103,012.55-415,467.30

Finding the Fourth Proportional to 735,320.10, 1,103,012.55 and 415,467.30

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Solution

The fourth proportional to 735,320.10, 1,103,012.55 and 415,467.30 is: 623,219.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,320.10 : 1,103,012.55 = 415,467.30 : x
  2. Step 2: Convert to fraction form
    735,320.10/1,103,012.55 = 415,467.30/x
  3. Step 3: Cross multiply
    735,320.10x = 1,103,012.55 × 415,467.30
  4. Step 4: Simplify right side
    735,320.10x = 458,265,646,014.62
  5. Step 5: Solve for x
    x = 458,265,646,014.62/735,320.10
  6. Step 6: Final answer
    x = 623,219.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.