Home / 704,890.25-972,749.52-382,600.42

Finding the Fourth Proportional to 704,890.25, 972,749.52 and 382,600.42

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Solution

The fourth proportional to 704,890.25, 972,749.52 and 382,600.42 is: 527,989.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,890.25 : 972,749.52 = 382,600.42 : x
  2. Step 2: Convert to fraction form
    704,890.25/972,749.52 = 382,600.42/x
  3. Step 3: Cross multiply
    704,890.25x = 972,749.52 × 382,600.42
  4. Step 4: Simplify right side
    704,890.25x = 372,174,374,906.80
  5. Step 5: Solve for x
    x = 372,174,374,906.80/704,890.25
  6. Step 6: Final answer
    x = 527,989.11

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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.