Home / 1,677,612.15-2,315,131.14-913,665.11

Finding the Fourth Proportional to 1,677,612.15, 2,315,131.14 and 913,665.11

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Solution

The fourth proportional to 1,677,612.15, 2,315,131.14 and 913,665.11 is: 1,260,872.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677,612.15 : 2,315,131.14 = 913,665.11 : x
  2. Step 2: Convert to fraction form
    1,677,612.15/2,315,131.14 = 913,665.11/x
  3. Step 3: Cross multiply
    1,677,612.15x = 2,315,131.14 × 913,665.11
  4. Step 4: Simplify right side
    1,677,612.15x = 2,115,254,536,116.87
  5. Step 5: Solve for x
    x = 2,115,254,536,116.87/1,677,612.15
  6. Step 6: Final answer
    x = 1,260,872.21

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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.