Home / 990,867.93-1,367,314.26-549,354.32

Finding the Fourth Proportional to 990,867.93, 1,367,314.26 and 549,354.32

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Solution

The fourth proportional to 990,867.93, 1,367,314.26 and 549,354.32 is: 758,062.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,867.93 : 1,367,314.26 = 549,354.32 : x
  2. Step 2: Convert to fraction form
    990,867.93/1,367,314.26 = 549,354.32/x
  3. Step 3: Cross multiply
    990,867.93x = 1,367,314.26 × 549,354.32
  4. Step 4: Simplify right side
    990,867.93x = 751,139,988,692.03
  5. Step 5: Solve for x
    x = 751,139,988,692.03/990,867.93
  6. Step 6: Final answer
    x = 758,062.67

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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.