Home / 875,117.80-1,311,884.70-609,005.80

Finding the Fourth Proportional to 875,117.80, 1,311,884.70 and 609,005.80

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Solution

The fourth proportional to 875,117.80, 1,311,884.70 and 609,005.80 is: 912,957.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,117.80 : 1,311,884.70 = 609,005.80 : x
  2. Step 2: Convert to fraction form
    875,117.80/1,311,884.70 = 609,005.80/x
  3. Step 3: Cross multiply
    875,117.80x = 1,311,884.70 × 609,005.80
  4. Step 4: Simplify right side
    875,117.80x = 798,945,391,231.26
  5. Step 5: Solve for x
    x = 798,945,391,231.26/875,117.80
  6. Step 6: Final answer
    x = 912,957.54

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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.