Home / 769,590.92-1,062,015.86-430,061.96

Finding the Fourth Proportional to 769,590.92, 1,062,015.86 and 430,061.96

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Solution

The fourth proportional to 769,590.92, 1,062,015.86 and 430,061.96 is: 593,474.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,590.92 : 1,062,015.86 = 430,061.96 : x
  2. Step 2: Convert to fraction form
    769,590.92/1,062,015.86 = 430,061.96/x
  3. Step 3: Cross multiply
    769,590.92x = 1,062,015.86 × 430,061.96
  4. Step 4: Simplify right side
    769,590.92x = 456,732,622,302.69
  5. Step 5: Solve for x
    x = 456,732,622,302.69/769,590.92
  6. Step 6: Final answer
    x = 593,474.55

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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.