Home / 693,042.48-956,406.60-406,567.44

Finding the Fourth Proportional to 693,042.48, 956,406.60 and 406,567.44

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Solution

The fourth proportional to 693,042.48, 956,406.60 and 406,567.44 is: 561,067.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,042.48 : 956,406.60 = 406,567.44 : x
  2. Step 2: Convert to fraction form
    693,042.48/956,406.60 = 406,567.44/x
  3. Step 3: Cross multiply
    693,042.48x = 956,406.60 × 406,567.44
  4. Step 4: Simplify right side
    693,042.48x = 388,843,782,961.10
  5. Step 5: Solve for x
    x = 388,843,782,961.10/693,042.48
  6. Step 6: Final answer
    x = 561,067.75

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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.