Home / 1,005,740.55-1,508,290.07-331,696.22

Finding the Fourth Proportional to 1,005,740.55, 1,508,290.07 and 331,696.22

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Solution

The fourth proportional to 1,005,740.55, 1,508,290.07 and 331,696.22 is: 497,438.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,740.55 : 1,508,290.07 = 331,696.22 : x
  2. Step 2: Convert to fraction form
    1,005,740.55/1,508,290.07 = 331,696.22/x
  3. Step 3: Cross multiply
    1,005,740.55x = 1,508,290.07 × 331,696.22
  4. Step 4: Simplify right side
    1,005,740.55x = 500,294,105,682.60
  5. Step 5: Solve for x
    x = 500,294,105,682.60/1,005,740.55
  6. Step 6: Final answer
    x = 497,438.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.