Home / 1,004,525.64-1,386,609.30-665,103.24

Finding the Fourth Proportional to 1,004,525.64, 1,386,609.30 and 665,103.24

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Solution

The fourth proportional to 1,004,525.64, 1,386,609.30 and 665,103.24 is: 918,083.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,525.64 : 1,386,609.30 = 665,103.24 : x
  2. Step 2: Convert to fraction form
    1,004,525.64/1,386,609.30 = 665,103.24/x
  3. Step 3: Cross multiply
    1,004,525.64x = 1,386,609.30 × 665,103.24
  4. Step 4: Simplify right side
    1,004,525.64x = 922,238,338,044.13
  5. Step 5: Solve for x
    x = 922,238,338,044.13/1,004,525.64
  6. Step 6: Final answer
    x = 918,083.42

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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.