Home / 547,529.32-821,323.42-173,581.48

Finding the Fourth Proportional to 547,529.32, 821,323.42 and 173,581.48

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Solution

The fourth proportional to 547,529.32, 821,323.42 and 173,581.48 is: 260,381.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,529.32 : 821,323.42 = 173,581.48 : x
  2. Step 2: Convert to fraction form
    547,529.32/821,323.42 = 173,581.48/x
  3. Step 3: Cross multiply
    547,529.32x = 821,323.42 × 173,581.48
  4. Step 4: Simplify right side
    547,529.32x = 142,566,534,802.26
  5. Step 5: Solve for x
    x = 142,566,534,802.26/547,529.32
  6. Step 6: Final answer
    x = 260,381.55

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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.