Home / 1,678,124.40-2,517,551.10-613,164.78

Finding the Fourth Proportional to 1,678,124.40, 2,517,551.10 and 613,164.78

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Solution

The fourth proportional to 1,678,124.40, 2,517,551.10 and 613,164.78 is: 919,880.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,124.40 : 2,517,551.10 = 613,164.78 : x
  2. Step 2: Convert to fraction form
    1,678,124.40/2,517,551.10 = 613,164.78/x
  3. Step 3: Cross multiply
    1,678,124.40x = 2,517,551.10 × 613,164.78
  4. Step 4: Simplify right side
    1,678,124.40x = 1,543,673,666,370.26
  5. Step 5: Solve for x
    x = 1,543,673,666,370.26/1,678,124.40
  6. Step 6: Final answer
    x = 919,880.35

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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.