Home / 1,118,959.19-1,678,437.26-519,592.60

Finding the Fourth Proportional to 1,118,959.19, 1,678,437.26 and 519,592.60

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Solution

The fourth proportional to 1,118,959.19, 1,678,437.26 and 519,592.60 is: 779,388.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,959.19 : 1,678,437.26 = 519,592.60 : x
  2. Step 2: Convert to fraction form
    1,118,959.19/1,678,437.26 = 519,592.60/x
  3. Step 3: Cross multiply
    1,118,959.19x = 1,678,437.26 × 519,592.60
  4. Step 4: Simplify right side
    1,118,959.19x = 872,103,579,860.28
  5. Step 5: Solve for x
    x = 872,103,579,860.28/1,118,959.19
  6. Step 6: Final answer
    x = 779,388.19

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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.