Home / 289,466.04-399,115.68-249,110.42

Finding the Fourth Proportional to 289,466.04, 399,115.68 and 249,110.42

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Solution

The fourth proportional to 289,466.04, 399,115.68 and 249,110.42 is: 343,473.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,466.04 : 399,115.68 = 249,110.42 : x
  2. Step 2: Convert to fraction form
    289,466.04/399,115.68 = 249,110.42/x
  3. Step 3: Cross multiply
    289,466.04x = 399,115.68 × 249,110.42
  4. Step 4: Simplify right side
    289,466.04x = 99,423,874,673.39
  5. Step 5: Solve for x
    x = 99,423,874,673.39/289,466.04
  6. Step 6: Final answer
    x = 343,473.36

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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.