Home / 1,118,974.63-1,678,460.41-519,608.04

Finding the Fourth Proportional to 1,118,974.63, 1,678,460.41 and 519,608.04

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Solution

The fourth proportional to 1,118,974.63, 1,678,460.41 and 519,608.04 is: 779,411.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,974.63 : 1,678,460.41 = 519,608.04 : x
  2. Step 2: Convert to fraction form
    1,118,974.63/1,678,460.41 = 519,608.04/x
  3. Step 3: Cross multiply
    1,118,974.63x = 1,678,460.41 × 519,608.04
  4. Step 4: Simplify right side
    1,118,974.63x = 872,141,523,857.70
  5. Step 5: Solve for x
    x = 872,141,523,857.70/1,118,974.63
  6. Step 6: Final answer
    x = 779,411.35

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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.