Home / 807,615.55-1,114,494.15-445,072.92

Finding the Fourth Proportional to 807,615.55, 1,114,494.15 and 445,072.92

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Solution

The fourth proportional to 807,615.55, 1,114,494.15 and 445,072.92 is: 614,192.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,615.55 : 1,114,494.15 = 445,072.92 : x
  2. Step 2: Convert to fraction form
    807,615.55/1,114,494.15 = 445,072.92/x
  3. Step 3: Cross multiply
    807,615.55x = 1,114,494.15 × 445,072.92
  4. Step 4: Simplify right side
    807,615.55x = 496,031,165,663.42
  5. Step 5: Solve for x
    x = 496,031,165,663.42/807,615.55
  6. Step 6: Final answer
    x = 614,192.19

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1.5x scale

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.