Home / 875,853.87-1,315,647.50-824,661.22

Finding the Fourth Proportional to 875,853.87, 1,315,647.50 and 824,661.22

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Solution

The fourth proportional to 875,853.87, 1,315,647.50 and 824,661.22 is: 1,238,749.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,853.87 : 1,315,647.50 = 824,661.22 : x
  2. Step 2: Convert to fraction form
    875,853.87/1,315,647.50 = 824,661.22/x
  3. Step 3: Cross multiply
    875,853.87x = 1,315,647.50 × 824,661.22
  4. Step 4: Simplify right side
    875,853.87x = 1,084,963,471,212.48
  5. Step 5: Solve for x
    x = 1,084,963,471,212.48/875,853.87
  6. Step 6: Final answer
    x = 1,238,749.42

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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.