Home / 780,595.11-1,077,207.21-441,056.07

Finding the Fourth Proportional to 780,595.11, 1,077,207.21 and 441,056.07

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Solution

The fourth proportional to 780,595.11, 1,077,207.21 and 441,056.07 is: 608,649.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,595.11 : 1,077,207.21 = 441,056.07 : x
  2. Step 2: Convert to fraction form
    780,595.11/1,077,207.21 = 441,056.07/x
  3. Step 3: Cross multiply
    780,595.11x = 1,077,207.21 × 441,056.07
  4. Step 4: Simplify right side
    780,595.11x = 475,108,778,618.27
  5. Step 5: Solve for x
    x = 475,108,778,618.27/780,595.11
  6. Step 6: Final answer
    x = 608,649.44

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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.