Home / 755,023.87-1,041,933.11-415,492.12

Finding the Fourth Proportional to 755,023.87, 1,041,933.11 and 415,492.12

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Solution

The fourth proportional to 755,023.87, 1,041,933.11 and 415,492.12 is: 573,379.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,023.87 : 1,041,933.11 = 415,492.12 : x
  2. Step 2: Convert to fraction form
    755,023.87/1,041,933.11 = 415,492.12/x
  3. Step 3: Cross multiply
    755,023.87x = 1,041,933.11 × 415,492.12
  4. Step 4: Simplify right side
    755,023.87x = 432,914,998,334.19
  5. Step 5: Solve for x
    x = 432,914,998,334.19/755,023.87
  6. Step 6: Final answer
    x = 573,379.22

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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.