Home / 578,742.41-867,929.59-540,960.86

Finding the Fourth Proportional to 578,742.41, 867,929.59 and 540,960.86

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Solution

The fourth proportional to 578,742.41, 867,929.59 and 540,960.86 is: 811,269.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,742.41 : 867,929.59 = 540,960.86 : x
  2. Step 2: Convert to fraction form
    578,742.41/867,929.59 = 540,960.86/x
  3. Step 3: Cross multiply
    578,742.41x = 867,929.59 × 540,960.86
  4. Step 4: Simplify right side
    578,742.41x = 469,515,933,903.62
  5. Step 5: Solve for x
    x = 469,515,933,903.62/578,742.41
  6. Step 6: Final answer
    x = 811,269.27

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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.