Home / 941,920.45-1,299,692.54-554,812.94

Finding the Fourth Proportional to 941,920.45, 1,299,692.54 and 554,812.94

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Solution

The fourth proportional to 941,920.45, 1,299,692.54 and 554,812.94 is: 765,548.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,920.45 : 1,299,692.54 = 554,812.94 : x
  2. Step 2: Convert to fraction form
    941,920.45/1,299,692.54 = 554,812.94/x
  3. Step 3: Cross multiply
    941,920.45x = 1,299,692.54 × 554,812.94
  4. Step 4: Simplify right side
    941,920.45x = 721,086,240,728.91
  5. Step 5: Solve for x
    x = 721,086,240,728.91/941,920.45
  6. Step 6: Final answer
    x = 765,548.98

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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.