Home / 527,101.01-789,823.64-407,451.15

Finding the Fourth Proportional to 527,101.01, 789,823.64 and 407,451.15

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Solution

The fourth proportional to 527,101.01, 789,823.64 and 407,451.15 is: 610,536.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,101.01 : 789,823.64 = 407,451.15 : x
  2. Step 2: Convert to fraction form
    527,101.01/789,823.64 = 407,451.15/x
  3. Step 3: Cross multiply
    527,101.01x = 789,823.64 × 407,451.15
  4. Step 4: Simplify right side
    527,101.01x = 321,814,550,415.19
  5. Step 5: Solve for x
    x = 321,814,550,415.19/527,101.01
  6. Step 6: Final answer
    x = 610,536.77

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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.