Home / 624,276.80-861,504.96-352,356.20

Finding the Fourth Proportional to 624,276.80, 861,504.96 and 352,356.20

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Solution

The fourth proportional to 624,276.80, 861,504.96 and 352,356.20 is: 486,253.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,276.80 : 861,504.96 = 352,356.20 : x
  2. Step 2: Convert to fraction form
    624,276.80/861,504.96 = 352,356.20/x
  3. Step 3: Cross multiply
    624,276.80x = 861,504.96 × 352,356.20
  4. Step 4: Simplify right side
    624,276.80x = 303,556,613,986.75
  5. Step 5: Solve for x
    x = 303,556,613,986.75/624,276.80
  6. Step 6: Final answer
    x = 486,253.24

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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.