Home / 1,274,611.71-1,911,218.73-505,330.10

Finding the Fourth Proportional to 1,274,611.71, 1,911,218.73 and 505,330.10

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Solution

The fourth proportional to 1,274,611.71, 1,911,218.73 and 505,330.10 is: 757,718.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,611.71 : 1,911,218.73 = 505,330.10 : x
  2. Step 2: Convert to fraction form
    1,274,611.71/1,911,218.73 = 505,330.10/x
  3. Step 3: Cross multiply
    1,274,611.71x = 1,911,218.73 × 505,330.10
  4. Step 4: Simplify right side
    1,274,611.71x = 965,796,357,994.15
  5. Step 5: Solve for x
    x = 965,796,357,994.15/1,274,611.71
  6. Step 6: Final answer
    x = 757,718.10

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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.