Home / 875,855.40-1,313,783.10-496,629.60

Finding the Fourth Proportional to 875,855.40, 1,313,783.10 and 496,629.60

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Solution

The fourth proportional to 875,855.40, 1,313,783.10 and 496,629.60 is: 744,944.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,855.40 : 1,313,783.10 = 496,629.60 : x
  2. Step 2: Convert to fraction form
    875,855.40/1,313,783.10 = 496,629.60/x
  3. Step 3: Cross multiply
    875,855.40x = 1,313,783.10 × 496,629.60
  4. Step 4: Simplify right side
    875,855.40x = 652,463,575,439.76
  5. Step 5: Solve for x
    x = 652,463,575,439.76/875,855.40
  6. Step 6: Final answer
    x = 744,944.40

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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.