Home / 601,004.18-829,948.60-386,517.80

Finding the Fourth Proportional to 601,004.18, 829,948.60 and 386,517.80

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Solution

The fourth proportional to 601,004.18, 829,948.60 and 386,517.80 is: 533,756.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,004.18 : 829,948.60 = 386,517.80 : x
  2. Step 2: Convert to fraction form
    601,004.18/829,948.60 = 386,517.80/x
  3. Step 3: Cross multiply
    601,004.18x = 829,948.60 × 386,517.80
  4. Step 4: Simplify right side
    601,004.18x = 320,789,906,985.08
  5. Step 5: Solve for x
    x = 320,789,906,985.08/601,004.18
  6. Step 6: Final answer
    x = 533,756.53

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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.