Home / 434,495.72-651,785.48-134,895.86

Finding the Fourth Proportional to 434,495.72, 651,785.48 and 134,895.86

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Solution

The fourth proportional to 434,495.72, 651,785.48 and 134,895.86 is: 202,356.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,495.72 : 651,785.48 = 134,895.86 : x
  2. Step 2: Convert to fraction form
    434,495.72/651,785.48 = 134,895.86/x
  3. Step 3: Cross multiply
    434,495.72x = 651,785.48 × 134,895.86
  4. Step 4: Simplify right side
    434,495.72x = 87,923,162,860.11
  5. Step 5: Solve for x
    x = 87,923,162,860.11/434,495.72
  6. Step 6: Final answer
    x = 202,356.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.