Home / 769,756.44-1,062,245.54-430,256.28

Finding the Fourth Proportional to 769,756.44, 1,062,245.54 and 430,256.28

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Solution

The fourth proportional to 769,756.44, 1,062,245.54 and 430,256.28 is: 593,743.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,756.44 : 1,062,245.54 = 430,256.28 : x
  2. Step 2: Convert to fraction form
    769,756.44/1,062,245.54 = 430,256.28/x
  3. Step 3: Cross multiply
    769,756.44x = 1,062,245.54 × 430,256.28
  4. Step 4: Simplify right side
    769,756.44x = 457,037,812,335.71
  5. Step 5: Solve for x
    x = 457,037,812,335.71/769,756.44
  6. Step 6: Final answer
    x = 593,743.41

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Double scale
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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.