Home / 1,081,435.20-1,623,074.40-483,316.80

Finding the Fourth Proportional to 1,081,435.20, 1,623,074.40 and 483,316.80

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Solution

The fourth proportional to 1,081,435.20, 1,623,074.40 and 483,316.80 is: 725,387.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,435.20 : 1,623,074.40 = 483,316.80 : x
  2. Step 2: Convert to fraction form
    1,081,435.20/1,623,074.40 = 483,316.80/x
  3. Step 3: Cross multiply
    1,081,435.20x = 1,623,074.40 × 483,316.80
  4. Step 4: Simplify right side
    1,081,435.20x = 784,459,125,169.92
  5. Step 5: Solve for x
    x = 784,459,125,169.92/1,081,435.20
  6. Step 6: Final answer
    x = 725,387.08

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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.