Home / 1,665,896.64-2,499,873.12-654,841.68

Finding the Fourth Proportional to 1,665,896.64, 2,499,873.12 and 654,841.68

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Solution

The fourth proportional to 1,665,896.64, 2,499,873.12 and 654,841.68 is: 982,666.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,896.64 : 2,499,873.12 = 654,841.68 : x
  2. Step 2: Convert to fraction form
    1,665,896.64/2,499,873.12 = 654,841.68/x
  3. Step 3: Cross multiply
    1,665,896.64x = 2,499,873.12 × 654,841.68
  4. Step 4: Simplify right side
    1,665,896.64x = 1,637,021,113,687.64
  5. Step 5: Solve for x
    x = 1,637,021,113,687.64/1,665,896.64
  6. Step 6: Final answer
    x = 982,666.68

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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.