Home / 623,901.56-861,090.08-352,046.52

Finding the Fourth Proportional to 623,901.56, 861,090.08 and 352,046.52

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Solution

The fourth proportional to 623,901.56, 861,090.08 and 352,046.52 is: 485,883.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,901.56 : 861,090.08 = 352,046.52 : x
  2. Step 2: Convert to fraction form
    623,901.56/861,090.08 = 352,046.52/x
  3. Step 3: Cross multiply
    623,901.56x = 861,090.08 × 352,046.52
  4. Step 4: Simplify right side
    623,901.56x = 303,143,764,310.29
  5. Step 5: Solve for x
    x = 303,143,764,310.29/623,901.56
  6. Step 6: Final answer
    x = 485,883.97

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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.