Home / 658,922.55-909,369.50-372,493.59

Finding the Fourth Proportional to 658,922.55, 909,369.50 and 372,493.59

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Solution

The fourth proportional to 658,922.55, 909,369.50 and 372,493.59 is: 514,073.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,922.55 : 909,369.50 = 372,493.59 : x
  2. Step 2: Convert to fraction form
    658,922.55/909,369.50 = 372,493.59/x
  3. Step 3: Cross multiply
    658,922.55x = 909,369.50 × 372,493.59
  4. Step 4: Simplify right side
    658,922.55x = 338,734,307,829.04
  5. Step 5: Solve for x
    x = 338,734,307,829.04/658,922.55
  6. Step 6: Final answer
    x = 514,073.02

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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.