Home / 623,914.10-861,107.33-352,059.07

Finding the Fourth Proportional to 623,914.10, 861,107.33 and 352,059.07

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Solution

The fourth proportional to 623,914.10, 861,107.33 and 352,059.07 is: 485,901.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,914.10 : 861,107.33 = 352,059.07 : x
  2. Step 2: Convert to fraction form
    623,914.10/861,107.33 = 352,059.07/x
  3. Step 3: Cross multiply
    623,914.10x = 861,107.33 × 352,059.07
  4. Step 4: Simplify right side
    623,914.10x = 303,160,645,769.98
  5. Step 5: Solve for x
    x = 303,160,645,769.98/623,914.10
  6. Step 6: Final answer
    x = 485,901.26

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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.