Home / 945,789.29-1,419,440.47-496,774.95

Finding the Fourth Proportional to 945,789.29, 1,419,440.47 and 496,774.95

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Solution

The fourth proportional to 945,789.29, 1,419,440.47 and 496,774.95 is: 745,559.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,789.29 : 1,419,440.47 = 496,774.95 : x
  2. Step 2: Convert to fraction form
    945,789.29/1,419,440.47 = 496,774.95/x
  3. Step 3: Cross multiply
    945,789.29x = 1,419,440.47 × 496,774.95
  4. Step 4: Simplify right side
    945,789.29x = 705,142,461,415.02
  5. Step 5: Solve for x
    x = 705,142,461,415.02/945,789.29
  6. Step 6: Final answer
    x = 745,559.79

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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.