Home / 919,873.22-1,380,037.65-440,465.81

Finding the Fourth Proportional to 919,873.22, 1,380,037.65 and 440,465.81

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Solution

The fourth proportional to 919,873.22, 1,380,037.65 and 440,465.81 is: 660,807.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,873.22 : 1,380,037.65 = 440,465.81 : x
  2. Step 2: Convert to fraction form
    919,873.22/1,380,037.65 = 440,465.81/x
  3. Step 3: Cross multiply
    919,873.22x = 1,380,037.65 × 440,465.81
  4. Step 4: Simplify right side
    919,873.22x = 607,859,399,135.42
  5. Step 5: Solve for x
    x = 607,859,399,135.42/919,873.22
  6. Step 6: Final answer
    x = 660,807.80

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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.