Home / 1,591,345.42-2,386,994.73-393,267.73

Finding the Fourth Proportional to 1,591,345.42, 2,386,994.73 and 393,267.73

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Solution

The fourth proportional to 1,591,345.42, 2,386,994.73 and 393,267.73 is: 589,895.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,345.42 : 2,386,994.73 = 393,267.73 : x
  2. Step 2: Convert to fraction form
    1,591,345.42/2,386,994.73 = 393,267.73/x
  3. Step 3: Cross multiply
    1,591,345.42x = 2,386,994.73 × 393,267.73
  4. Step 4: Simplify right side
    1,591,345.42x = 938,727,998,989.06
  5. Step 5: Solve for x
    x = 938,727,998,989.06/1,591,345.42
  6. Step 6: Final answer
    x = 589,895.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.