Home / 769,616.88-1,062,073.92-430,090.80

Finding the Fourth Proportional to 769,616.88, 1,062,073.92 and 430,090.80

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Solution

The fourth proportional to 769,616.88, 1,062,073.92 and 430,090.80 is: 593,526.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,616.88 : 1,062,073.92 = 430,090.80 : x
  2. Step 2: Convert to fraction form
    769,616.88/1,062,073.92 = 430,090.80/x
  3. Step 3: Cross multiply
    769,616.88x = 1,062,073.92 × 430,090.80
  4. Step 4: Simplify right side
    769,616.88x = 456,788,221,911.94
  5. Step 5: Solve for x
    x = 456,788,221,911.94/769,616.88
  6. Step 6: Final answer
    x = 593,526.77

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1.5x scale

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.