Home / 945,227.85-1,417,839.60-405,133.93

Finding the Fourth Proportional to 945,227.85, 1,417,839.60 and 405,133.93

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Solution

The fourth proportional to 945,227.85, 1,417,839.60 and 405,133.93 is: 607,699.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,227.85 : 1,417,839.60 = 405,133.93 : x
  2. Step 2: Convert to fraction form
    945,227.85/1,417,839.60 = 405,133.93/x
  3. Step 3: Cross multiply
    945,227.85x = 1,417,839.60 × 405,133.93
  4. Step 4: Simplify right side
    945,227.85x = 574,414,928,490.28
  5. Step 5: Solve for x
    x = 574,414,928,490.28/945,227.85
  6. Step 6: Final answer
    x = 607,699.96

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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.