Home / 1,118,956.19-1,678,432.76-519,589.60

Finding the Fourth Proportional to 1,118,956.19, 1,678,432.76 and 519,589.60

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Solution

The fourth proportional to 1,118,956.19, 1,678,432.76 and 519,589.60 is: 779,383.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,956.19 : 1,678,432.76 = 519,589.60 : x
  2. Step 2: Convert to fraction form
    1,118,956.19/1,678,432.76 = 519,589.60/x
  3. Step 3: Cross multiply
    1,118,956.19x = 1,678,432.76 × 519,589.60
  4. Step 4: Simplify right side
    1,118,956.19x = 872,096,201,549.73
  5. Step 5: Solve for x
    x = 872,096,201,549.73/1,118,956.19
  6. Step 6: Final answer
    x = 779,383.69

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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.