Home / 769,994.40-1,062,594.72-430,462.56

Finding the Fourth Proportional to 769,994.40, 1,062,594.72 and 430,462.56

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Solution

The fourth proportional to 769,994.40, 1,062,594.72 and 430,462.56 is: 594,039.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,994.40 : 1,062,594.72 = 430,462.56 : x
  2. Step 2: Convert to fraction form
    769,994.40/1,062,594.72 = 430,462.56/x
  3. Step 3: Cross multiply
    769,994.40x = 1,062,594.72 × 430,462.56
  4. Step 4: Simplify right side
    769,994.40x = 457,407,243,413.68
  5. Step 5: Solve for x
    x = 457,407,243,413.68/769,994.40
  6. Step 6: Final answer
    x = 594,039.70

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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.