Home / 1,243,312.98-1,714,120.29-812,853.06

Finding the Fourth Proportional to 1,243,312.98, 1,714,120.29 and 812,853.06

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Solution

The fourth proportional to 1,243,312.98, 1,714,120.29 and 812,853.06 is: 1,120,657.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,312.98 : 1,714,120.29 = 812,853.06 : x
  2. Step 2: Convert to fraction form
    1,243,312.98/1,714,120.29 = 812,853.06/x
  3. Step 3: Cross multiply
    1,243,312.98x = 1,714,120.29 × 812,853.06
  4. Step 4: Simplify right side
    1,243,312.98x = 1,393,327,922,934.59
  5. Step 5: Solve for x
    x = 1,393,327,922,934.59/1,243,312.98
  6. Step 6: Final answer
    x = 1,120,657.43

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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.