Home / 626,160.15-864,103.19-339,682.29

Finding the Fourth Proportional to 626,160.15, 864,103.19 and 339,682.29

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Solution

The fourth proportional to 626,160.15, 864,103.19 and 339,682.29 is: 468,762.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,160.15 : 864,103.19 = 339,682.29 : x
  2. Step 2: Convert to fraction form
    626,160.15/864,103.19 = 339,682.29/x
  3. Step 3: Cross multiply
    626,160.15x = 864,103.19 × 339,682.29
  4. Step 4: Simplify right side
    626,160.15x = 293,520,548,677.09
  5. Step 5: Solve for x
    x = 293,520,548,677.09/626,160.15
  6. Step 6: Final answer
    x = 468,762.74

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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.