Home / 1,008,530.15-1,391,730.90-549,634.82

Finding the Fourth Proportional to 1,008,530.15, 1,391,730.90 and 549,634.82

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Solution

The fourth proportional to 1,008,530.15, 1,391,730.90 and 549,634.82 is: 758,473.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,530.15 : 1,391,730.90 = 549,634.82 : x
  2. Step 2: Convert to fraction form
    1,008,530.15/1,391,730.90 = 549,634.82/x
  3. Step 3: Cross multiply
    1,008,530.15x = 1,391,730.90 × 549,634.82
  4. Step 4: Simplify right side
    1,008,530.15x = 764,943,755,751.28
  5. Step 5: Solve for x
    x = 764,943,755,751.28/1,008,530.15
  6. Step 6: Final answer
    x = 758,473.86

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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.