Home / 656,885.20-985,716.60-432,893.20

Finding the Fourth Proportional to 656,885.20, 985,716.60 and 432,893.20

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Solution

The fourth proportional to 656,885.20, 985,716.60 and 432,893.20 is: 649,596.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,885.20 : 985,716.60 = 432,893.20 : x
  2. Step 2: Convert to fraction form
    656,885.20/985,716.60 = 432,893.20/x
  3. Step 3: Cross multiply
    656,885.20x = 985,716.60 × 432,893.20
  4. Step 4: Simplify right side
    656,885.20x = 426,710,013,267.12
  5. Step 5: Solve for x
    x = 426,710,013,267.12/656,885.20
  6. Step 6: Final answer
    x = 649,596.02

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1.5x scale

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.