Home / 1,765,039.83-2,435,678.19-980,056.86

Finding the Fourth Proportional to 1,765,039.83, 2,435,678.19 and 980,056.86

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Solution

The fourth proportional to 1,765,039.83, 2,435,678.19 and 980,056.86 is: 1,352,435.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765,039.83 : 2,435,678.19 = 980,056.86 : x
  2. Step 2: Convert to fraction form
    1,765,039.83/2,435,678.19 = 980,056.86/x
  3. Step 3: Cross multiply
    1,765,039.83x = 2,435,678.19 × 980,056.86
  4. Step 4: Simplify right side
    1,765,039.83x = 2,387,103,118,861.88
  5. Step 5: Solve for x
    x = 2,387,103,118,861.88/1,765,039.83
  6. Step 6: Final answer
    x = 1,352,435.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.