Home / 534,004.20-801,006.30-280,938.60

Finding the Fourth Proportional to 534,004.20, 801,006.30 and 280,938.60

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Solution

The fourth proportional to 534,004.20, 801,006.30 and 280,938.60 is: 421,407.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,004.20 : 801,006.30 = 280,938.60 : x
  2. Step 2: Convert to fraction form
    534,004.20/801,006.30 = 280,938.60/x
  3. Step 3: Cross multiply
    534,004.20x = 801,006.30 × 280,938.60
  4. Step 4: Simplify right side
    534,004.20x = 225,033,588,513.18
  5. Step 5: Solve for x
    x = 225,033,588,513.18/534,004.20
  6. Step 6: Final answer
    x = 421,407.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.