Home / 554,926.90-832,390.35-318,074.80

Finding the Fourth Proportional to 554,926.90, 832,390.35 and 318,074.80

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Solution

The fourth proportional to 554,926.90, 832,390.35 and 318,074.80 is: 477,112.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,926.90 : 832,390.35 = 318,074.80 : x
  2. Step 2: Convert to fraction form
    554,926.90/832,390.35 = 318,074.80/x
  3. Step 3: Cross multiply
    554,926.90x = 832,390.35 × 318,074.80
  4. Step 4: Simplify right side
    554,926.90x = 264,762,394,098.18
  5. Step 5: Solve for x
    x = 264,762,394,098.18/554,926.90
  6. Step 6: Final answer
    x = 477,112.20

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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.