Home / 1,031,222.45-1,423,065.58-572,310.38

Finding the Fourth Proportional to 1,031,222.45, 1,423,065.58 and 572,310.38

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Solution

The fourth proportional to 1,031,222.45, 1,423,065.58 and 572,310.38 is: 789,776.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,222.45 : 1,423,065.58 = 572,310.38 : x
  2. Step 2: Convert to fraction form
    1,031,222.45/1,423,065.58 = 572,310.38/x
  3. Step 3: Cross multiply
    1,031,222.45x = 1,423,065.58 × 572,310.38
  4. Step 4: Simplify right side
    1,031,222.45x = 814,435,204,981.61
  5. Step 5: Solve for x
    x = 814,435,204,981.61/1,031,222.45
  6. Step 6: Final answer
    x = 789,776.45

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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.