Home / 1,917,980.64-2,876,972.32-655,817.76

Finding the Fourth Proportional to 1,917,980.64, 2,876,972.32 and 655,817.76

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Solution

The fourth proportional to 1,917,980.64, 2,876,972.32 and 655,817.76 is: 983,727.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,980.64 : 2,876,972.32 = 655,817.76 : x
  2. Step 2: Convert to fraction form
    1,917,980.64/2,876,972.32 = 655,817.76/x
  3. Step 3: Cross multiply
    1,917,980.64x = 2,876,972.32 × 655,817.76
  4. Step 4: Simplify right side
    1,917,980.64x = 1,886,769,542,484.40
  5. Step 5: Solve for x
    x = 1,886,769,542,484.40/1,917,980.64
  6. Step 6: Final answer
    x = 983,727.11

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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.