Home / 873,039.60-1,204,708.68-491,058.18

Finding the Fourth Proportional to 873,039.60, 1,204,708.68 and 491,058.18

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Solution

The fourth proportional to 873,039.60, 1,204,708.68 and 491,058.18 is: 677,611.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,039.60 : 1,204,708.68 = 491,058.18 : x
  2. Step 2: Convert to fraction form
    873,039.60/1,204,708.68 = 491,058.18/x
  3. Step 3: Cross multiply
    873,039.60x = 1,204,708.68 × 491,058.18
  4. Step 4: Simplify right side
    873,039.60x = 591,582,051,831.00
  5. Step 5: Solve for x
    x = 591,582,051,831.00/873,039.60
  6. Step 6: Final answer
    x = 677,611.93

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.