Home / 769,628.20-1,062,084.42-430,096.36

Finding the Fourth Proportional to 769,628.20, 1,062,084.42 and 430,096.36

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Solution

The fourth proportional to 769,628.20, 1,062,084.42 and 430,096.36 is: 593,531.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,628.20 : 1,062,084.42 = 430,096.36 : x
  2. Step 2: Convert to fraction form
    769,628.20/1,062,084.42 = 430,096.36/x
  3. Step 3: Cross multiply
    769,628.20x = 1,062,084.42 × 430,096.36
  4. Step 4: Simplify right side
    769,628.20x = 456,798,643,054.71
  5. Step 5: Solve for x
    x = 456,798,643,054.71/769,628.20
  6. Step 6: Final answer
    x = 593,531.58

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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.