Home / 769,615.83-1,062,076.46-430,105.95

Finding the Fourth Proportional to 769,615.83, 1,062,076.46 and 430,105.95

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Solution

The fourth proportional to 769,615.83, 1,062,076.46 and 430,105.95 is: 593,549.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,615.83 : 1,062,076.46 = 430,105.95 : x
  2. Step 2: Convert to fraction form
    769,615.83/1,062,076.46 = 430,105.95/x
  3. Step 3: Cross multiply
    769,615.83x = 1,062,076.46 × 430,105.95
  4. Step 4: Simplify right side
    769,615.83x = 456,805,402,650.41
  5. Step 5: Solve for x
    x = 456,805,402,650.41/769,615.83
  6. Step 6: Final answer
    x = 593,549.90

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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.