Home / 670,287.20-924,941.36-394,601.27

Finding the Fourth Proportional to 670,287.20, 924,941.36 and 394,601.27

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Solution

The fourth proportional to 670,287.20, 924,941.36 and 394,601.27 is: 544,517.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,287.20 : 924,941.36 = 394,601.27 : x
  2. Step 2: Convert to fraction form
    670,287.20/924,941.36 = 394,601.27/x
  3. Step 3: Cross multiply
    670,287.20x = 924,941.36 × 394,601.27
  4. Step 4: Simplify right side
    670,287.20x = 364,983,031,693.32
  5. Step 5: Solve for x
    x = 364,983,031,693.32/670,287.20
  6. Step 6: Final answer
    x = 544,517.39

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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.