Home / 824,531.37-1,236,567.42-291,909.39

Finding the Fourth Proportional to 824,531.37, 1,236,567.42 and 291,909.39

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Solution

The fourth proportional to 824,531.37, 1,236,567.42 and 291,909.39 is: 437,782.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,531.37 : 1,236,567.42 = 291,909.39 : x
  2. Step 2: Convert to fraction form
    824,531.37/1,236,567.42 = 291,909.39/x
  3. Step 3: Cross multiply
    824,531.37x = 1,236,567.42 × 291,909.39
  4. Step 4: Simplify right side
    824,531.37x = 360,965,641,266.07
  5. Step 5: Solve for x
    x = 360,965,641,266.07/824,531.37
  6. Step 6: Final answer
    x = 437,782.79

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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.