Home / 1,273,669.64-1,911,390.23-823,273.39

Finding the Fourth Proportional to 1,273,669.64, 1,911,390.23 and 823,273.39

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Solution

The fourth proportional to 1,273,669.64, 1,911,390.23 and 823,273.39 is: 1,235,482.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,669.64 : 1,911,390.23 = 823,273.39 : x
  2. Step 2: Convert to fraction form
    1,273,669.64/1,911,390.23 = 823,273.39/x
  3. Step 3: Cross multiply
    1,273,669.64x = 1,911,390.23 × 823,273.39
  4. Step 4: Simplify right side
    1,273,669.64x = 1,573,596,714,264.98
  5. Step 5: Solve for x
    x = 1,573,596,714,264.98/1,273,669.64
  6. Step 6: Final answer
    x = 1,235,482.63

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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.