Home / 690,041.90-952,359.53-414,418.34

Finding the Fourth Proportional to 690,041.90, 952,359.53 and 414,418.34

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Solution

The fourth proportional to 690,041.90, 952,359.53 and 414,418.34 is: 571,958.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,041.90 : 952,359.53 = 414,418.34 : x
  2. Step 2: Convert to fraction form
    690,041.90/952,359.53 = 414,418.34/x
  3. Step 3: Cross multiply
    690,041.90x = 952,359.53 × 414,418.34
  4. Step 4: Simplify right side
    690,041.90x = 394,675,255,814.59
  5. Step 5: Solve for x
    x = 394,675,255,814.59/690,041.90
  6. Step 6: Final answer
    x = 571,958.39

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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.