Home / 1,031,336.80-1,423,222.68-572,424.56

Finding the Fourth Proportional to 1,031,336.80, 1,423,222.68 and 572,424.56

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Solution

The fourth proportional to 1,031,336.80, 1,423,222.68 and 572,424.56 is: 789,933.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,336.80 : 1,423,222.68 = 572,424.56 : x
  2. Step 2: Convert to fraction form
    1,031,336.80/1,423,222.68 = 572,424.56/x
  3. Step 3: Cross multiply
    1,031,336.80x = 1,423,222.68 × 572,424.56
  4. Step 4: Simplify right side
    1,031,336.80x = 814,687,616,381.02
  5. Step 5: Solve for x
    x = 814,687,616,381.02/1,031,336.80
  6. Step 6: Final answer
    x = 789,933.62

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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.