Home / 603,870.63-905,785.05-154,595.35

Finding the Fourth Proportional to 603,870.63, 905,785.05 and 154,595.35

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Solution

The fourth proportional to 603,870.63, 905,785.05 and 154,595.35 is: 231,887.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,870.63 : 905,785.05 = 154,595.35 : x
  2. Step 2: Convert to fraction form
    603,870.63/905,785.05 = 154,595.35/x
  3. Step 3: Cross multiply
    603,870.63x = 905,785.05 × 154,595.35
  4. Step 4: Simplify right side
    603,870.63x = 140,030,156,829.52
  5. Step 5: Solve for x
    x = 140,030,156,829.52/603,870.63
  6. Step 6: Final answer
    x = 231,887.68

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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.