Home / 652,403.20-977,292.60-439,826.80

Finding the Fourth Proportional to 652,403.20, 977,292.60 and 439,826.80

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Solution

The fourth proportional to 652,403.20, 977,292.60 and 439,826.80 is: 658,855.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,403.20 : 977,292.60 = 439,826.80 : x
  2. Step 2: Convert to fraction form
    652,403.20/977,292.60 = 439,826.80/x
  3. Step 3: Cross multiply
    652,403.20x = 977,292.60 × 439,826.80
  4. Step 4: Simplify right side
    652,403.20x = 429,839,476,921.68
  5. Step 5: Solve for x
    x = 429,839,476,921.68/652,403.20
  6. Step 6: Final answer
    x = 658,855.56

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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.