Home / 670,153.40-1,005,230.10-441,830.60

Finding the Fourth Proportional to 670,153.40, 1,005,230.10 and 441,830.60

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Solution

The fourth proportional to 670,153.40, 1,005,230.10 and 441,830.60 is: 662,745.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,153.40 : 1,005,230.10 = 441,830.60 : x
  2. Step 2: Convert to fraction form
    670,153.40/1,005,230.10 = 441,830.60/x
  3. Step 3: Cross multiply
    670,153.40x = 1,005,230.10 × 441,830.60
  4. Step 4: Simplify right side
    670,153.40x = 444,141,418,221.06
  5. Step 5: Solve for x
    x = 444,141,418,221.06/670,153.40
  6. Step 6: Final answer
    x = 662,745.90

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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.