Home / 887,891.01-1,224,989.77-505,647.15

Finding the Fourth Proportional to 887,891.01, 1,224,989.77 and 505,647.15

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Solution

The fourth proportional to 887,891.01, 1,224,989.77 and 505,647.15 is: 697,622.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,891.01 : 1,224,989.77 = 505,647.15 : x
  2. Step 2: Convert to fraction form
    887,891.01/1,224,989.77 = 505,647.15/x
  3. Step 3: Cross multiply
    887,891.01x = 1,224,989.77 × 505,647.15
  4. Step 4: Simplify right side
    887,891.01x = 619,412,583,451.42
  5. Step 5: Solve for x
    x = 619,412,583,451.42/887,891.01
  6. Step 6: Final answer
    x = 697,622.32

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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.