Home / 554,815.84-766,429.68-441,493.60

Finding the Fourth Proportional to 554,815.84, 766,429.68 and 441,493.60

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Solution

The fourth proportional to 554,815.84, 766,429.68 and 441,493.60 is: 609,884.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,815.84 : 766,429.68 = 441,493.60 : x
  2. Step 2: Convert to fraction form
    554,815.84/766,429.68 = 441,493.60/x
  3. Step 3: Cross multiply
    554,815.84x = 766,429.68 × 441,493.60
  4. Step 4: Simplify right side
    554,815.84x = 338,373,798,570.05
  5. Step 5: Solve for x
    x = 338,373,798,570.05/554,815.84
  6. Step 6: Final answer
    x = 609,884.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.