Home / 807,646.08-1,114,559.06-445,082.92

Finding the Fourth Proportional to 807,646.08, 1,114,559.06 and 445,082.92

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Solution

The fourth proportional to 807,646.08, 1,114,559.06 and 445,082.92 is: 614,218.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,646.08 : 1,114,559.06 = 445,082.92 : x
  2. Step 2: Convert to fraction form
    807,646.08/1,114,559.06 = 445,082.92/x
  3. Step 3: Cross multiply
    807,646.08x = 1,114,559.06 × 445,082.92
  4. Step 4: Simplify right side
    807,646.08x = 496,071,200,937.26
  5. Step 5: Solve for x
    x = 496,071,200,937.26/807,646.08
  6. Step 6: Final answer
    x = 614,218.55

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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.