Home / 572,326.98-789,820.49-314,227.72

Finding the Fourth Proportional to 572,326.98, 789,820.49 and 314,227.72

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Solution

The fourth proportional to 572,326.98, 789,820.49 and 314,227.72 is: 433,639.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,326.98 : 789,820.49 = 314,227.72 : x
  2. Step 2: Convert to fraction form
    572,326.98/789,820.49 = 314,227.72/x
  3. Step 3: Cross multiply
    572,326.98x = 789,820.49 × 314,227.72
  4. Step 4: Simplify right side
    572,326.98x = 248,183,491,781.98
  5. Step 5: Solve for x
    x = 248,183,491,781.98/572,326.98
  6. Step 6: Final answer
    x = 433,639.34

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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.