Home / 769,656.96-1,062,173.76-430,152.32

Finding the Fourth Proportional to 769,656.96, 1,062,173.76 and 430,152.32

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Solution

The fourth proportional to 769,656.96, 1,062,173.76 and 430,152.32 is: 593,636.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,656.96 : 1,062,173.76 = 430,152.32 : x
  2. Step 2: Convert to fraction form
    769,656.96/1,062,173.76 = 430,152.32/x
  3. Step 3: Cross multiply
    769,656.96x = 1,062,173.76 × 430,152.32
  4. Step 4: Simplify right side
    769,656.96x = 456,896,507,107.12
  5. Step 5: Solve for x
    x = 456,896,507,107.12/769,656.96
  6. Step 6: Final answer
    x = 593,636.56

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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.