Home / 630,161.10-945,241.65-551,429.10

Finding the Fourth Proportional to 630,161.10, 945,241.65 and 551,429.10

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Solution

The fourth proportional to 630,161.10, 945,241.65 and 551,429.10 is: 827,143.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,161.10 : 945,241.65 = 551,429.10 : x
  2. Step 2: Convert to fraction form
    630,161.10/945,241.65 = 551,429.10/x
  3. Step 3: Cross multiply
    630,161.10x = 945,241.65 × 551,429.10
  4. Step 4: Simplify right side
    630,161.10x = 521,233,752,342.02
  5. Step 5: Solve for x
    x = 521,233,752,342.02/630,161.10
  6. Step 6: Final answer
    x = 827,143.65

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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.