Home / 1,515,728.16-2,091,671.10-827,412.84

Finding the Fourth Proportional to 1,515,728.16, 2,091,671.10 and 827,412.84

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Solution

The fourth proportional to 1,515,728.16, 2,091,671.10 and 827,412.84 is: 1,141,811.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,728.16 : 2,091,671.10 = 827,412.84 : x
  2. Step 2: Convert to fraction form
    1,515,728.16/2,091,671.10 = 827,412.84/x
  3. Step 3: Cross multiply
    1,515,728.16x = 2,091,671.10 × 827,412.84
  4. Step 4: Simplify right side
    1,515,728.16x = 1,730,675,525,196.92
  5. Step 5: Solve for x
    x = 1,730,675,525,196.92/1,515,728.16
  6. Step 6: Final answer
    x = 1,141,811.29

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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.