Home / 881,760.09-1,216,941.48-519,217.68

Finding the Fourth Proportional to 881,760.09, 1,216,941.48 and 519,217.68

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Solution

The fourth proportional to 881,760.09, 1,216,941.48 and 519,217.68 is: 716,586.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,760.09 : 1,216,941.48 = 519,217.68 : x
  2. Step 2: Convert to fraction form
    881,760.09/1,216,941.48 = 519,217.68/x
  3. Step 3: Cross multiply
    881,760.09x = 1,216,941.48 × 519,217.68
  4. Step 4: Simplify right side
    881,760.09x = 631,857,531,941.37
  5. Step 5: Solve for x
    x = 631,857,531,941.37/881,760.09
  6. Step 6: Final answer
    x = 716,586.68

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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.