Home / 1,008,645.58-1,391,921.90-549,760.13

Finding the Fourth Proportional to 1,008,645.58, 1,391,921.90 and 549,760.13

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Solution

The fourth proportional to 1,008,645.58, 1,391,921.90 and 549,760.13 is: 758,664.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,645.58 : 1,391,921.90 = 549,760.13 : x
  2. Step 2: Convert to fraction form
    1,008,645.58/1,391,921.90 = 549,760.13/x
  3. Step 3: Cross multiply
    1,008,645.58x = 1,391,921.90 × 549,760.13
  4. Step 4: Simplify right side
    1,008,645.58x = 765,223,156,359.84
  5. Step 5: Solve for x
    x = 765,223,156,359.84/1,008,645.58
  6. Step 6: Final answer
    x = 758,664.07

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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.