Home / 1,008,509.12-1,391,742.96-549,623.84

Finding the Fourth Proportional to 1,008,509.12, 1,391,742.96 and 549,623.84

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Solution

The fourth proportional to 1,008,509.12, 1,391,742.96 and 549,623.84 is: 758,481.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,509.12 : 1,391,742.96 = 549,623.84 : x
  2. Step 2: Convert to fraction form
    1,008,509.12/1,391,742.96 = 549,623.84/x
  3. Step 3: Cross multiply
    1,008,509.12x = 1,391,742.96 × 549,623.84
  4. Step 4: Simplify right side
    1,008,509.12x = 764,935,109,968.17
  5. Step 5: Solve for x
    x = 764,935,109,968.17/1,008,509.12
  6. Step 6: Final answer
    x = 758,481.10

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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.