Home / 383,005.36-527,406.15-374,508.46

Finding the Fourth Proportional to 383,005.36, 527,406.15 and 374,508.46

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Solution

The fourth proportional to 383,005.36, 527,406.15 and 374,508.46 is: 515,705.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,005.36 : 527,406.15 = 374,508.46 : x
  2. Step 2: Convert to fraction form
    383,005.36/527,406.15 = 374,508.46/x
  3. Step 3: Cross multiply
    383,005.36x = 527,406.15 × 374,508.46
  4. Step 4: Simplify right side
    383,005.36x = 197,518,065,031.03
  5. Step 5: Solve for x
    x = 197,518,065,031.03/383,005.36
  6. Step 6: Final answer
    x = 515,705.75

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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.