Home / 1,008,456.17-1,391,669.75-549,570.87

Finding the Fourth Proportional to 1,008,456.17, 1,391,669.75 and 549,570.87

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Solution

The fourth proportional to 1,008,456.17, 1,391,669.75 and 549,570.87 is: 758,407.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,456.17 : 1,391,669.75 = 549,570.87 : x
  2. Step 2: Convert to fraction form
    1,008,456.17/1,391,669.75 = 549,570.87/x
  3. Step 3: Cross multiply
    1,008,456.17x = 1,391,669.75 × 549,570.87
  4. Step 4: Simplify right side
    1,008,456.17x = 764,821,156,634.11
  5. Step 5: Solve for x
    x = 764,821,156,634.11/1,008,456.17
  6. Step 6: Final answer
    x = 758,407.93

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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.