Home / 652,406.20-977,297.10-439,829.80

Finding the Fourth Proportional to 652,406.20, 977,297.10 and 439,829.80

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Solution

The fourth proportional to 652,406.20, 977,297.10 and 439,829.80 is: 658,860.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,406.20 : 977,297.10 = 439,829.80 : x
  2. Step 2: Convert to fraction form
    652,406.20/977,297.10 = 439,829.80/x
  3. Step 3: Cross multiply
    652,406.20x = 977,297.10 × 439,829.80
  4. Step 4: Simplify right side
    652,406.20x = 429,844,388,033.58
  5. Step 5: Solve for x
    x = 429,844,388,033.58/652,406.20
  6. Step 6: Final answer
    x = 658,860.06

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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.