Home / 1,118,958.19-1,678,435.76-519,591.60

Finding the Fourth Proportional to 1,118,958.19, 1,678,435.76 and 519,591.60

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Solution

The fourth proportional to 1,118,958.19, 1,678,435.76 and 519,591.60 is: 779,386.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,958.19 : 1,678,435.76 = 519,591.60 : x
  2. Step 2: Convert to fraction form
    1,118,958.19/1,678,435.76 = 519,591.60/x
  3. Step 3: Cross multiply
    1,118,958.19x = 1,678,435.76 × 519,591.60
  4. Step 4: Simplify right side
    1,118,958.19x = 872,101,122,035.62
  5. Step 5: Solve for x
    x = 872,101,122,035.62/1,118,958.19
  6. Step 6: Final answer
    x = 779,386.69

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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.