Home / 672,781.24-1,009,171.82-461,779.48

Finding the Fourth Proportional to 672,781.24, 1,009,171.82 and 461,779.48

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Solution

The fourth proportional to 672,781.24, 1,009,171.82 and 461,779.48 is: 692,669.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,781.24 : 1,009,171.82 = 461,779.48 : x
  2. Step 2: Convert to fraction form
    672,781.24/1,009,171.82 = 461,779.48/x
  3. Step 3: Cross multiply
    672,781.24x = 1,009,171.82 × 461,779.48
  4. Step 4: Simplify right side
    672,781.24x = 466,014,833,224.40
  5. Step 5: Solve for x
    x = 466,014,833,224.40/672,781.24
  6. Step 6: Final answer
    x = 692,669.19

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1.5x scale

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.