Home / 1,608,612.12-2,412,916.14-410,534.43

Finding the Fourth Proportional to 1,608,612.12, 2,412,916.14 and 410,534.43

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Solution

The fourth proportional to 1,608,612.12, 2,412,916.14 and 410,534.43 is: 615,801.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608,612.12 : 2,412,916.14 = 410,534.43 : x
  2. Step 2: Convert to fraction form
    1,608,612.12/2,412,916.14 = 410,534.43/x
  3. Step 3: Cross multiply
    1,608,612.12x = 2,412,916.14 × 410,534.43
  4. Step 4: Simplify right side
    1,608,612.12x = 990,585,161,221.14
  5. Step 5: Solve for x
    x = 990,585,161,221.14/1,608,612.12
  6. Step 6: Final answer
    x = 615,801.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.