Home / 945,166.90-1,417,381.80-412,324.60

Finding the Fourth Proportional to 945,166.90, 1,417,381.80 and 412,324.60

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Solution

The fourth proportional to 945,166.90, 1,417,381.80 and 412,324.60 is: 618,326.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,166.90 : 1,417,381.80 = 412,324.60 : x
  2. Step 2: Convert to fraction form
    945,166.90/1,417,381.80 = 412,324.60/x
  3. Step 3: Cross multiply
    945,166.90x = 1,417,381.80 × 412,324.60
  4. Step 4: Simplify right side
    945,166.90x = 584,421,383,732.28
  5. Step 5: Solve for x
    x = 584,421,383,732.28/945,166.90
  6. Step 6: Final answer
    x = 618,326.12

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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.