Home / 807,738-1,114,686.18-445,175.16

Finding the Fourth Proportional to 807,738, 1,114,686.18 and 445,175.16

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Solution

The fourth proportional to 807,738, 1,114,686.18 and 445,175.16 is: 614,345.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,738 : 1,114,686.18 = 445,175.16 : x
  2. Step 2: Convert to fraction form
    807,738/1,114,686.18 = 445,175.16/x
  3. Step 3: Cross multiply
    807,738x = 1,114,686.18 × 445,175.16
  4. Step 4: Simplify right side
    807,738x = 496,230,598,531.29
  5. Step 5: Solve for x
    x = 496,230,598,531.29/807,738
  6. Step 6: Final answer
    x = 614,345.99

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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.