Home / 1,302,376.04-1,797,255.15-721,597.05

Finding the Fourth Proportional to 1,302,376.04, 1,797,255.15 and 721,597.05

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Solution

The fourth proportional to 1,302,376.04, 1,797,255.15 and 721,597.05 is: 995,790.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,376.04 : 1,797,255.15 = 721,597.05 : x
  2. Step 2: Convert to fraction form
    1,302,376.04/1,797,255.15 = 721,597.05/x
  3. Step 3: Cross multiply
    1,302,376.04x = 1,797,255.15 × 721,597.05
  4. Step 4: Simplify right side
    1,302,376.04x = 1,296,894,021,247.74
  5. Step 5: Solve for x
    x = 1,296,894,021,247.74/1,302,376.04
  6. Step 6: Final answer
    x = 995,790.75

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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.