Home / 903,103.53-1,246,338.77-500,695.53

Finding the Fourth Proportional to 903,103.53, 1,246,338.77 and 500,695.53

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Solution

The fourth proportional to 903,103.53, 1,246,338.77 and 500,695.53 is: 690,990.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,103.53 : 1,246,338.77 = 500,695.53 : x
  2. Step 2: Convert to fraction form
    903,103.53/1,246,338.77 = 500,695.53/x
  3. Step 3: Cross multiply
    903,103.53x = 1,246,338.77 × 500,695.53
  4. Step 4: Simplify right side
    903,103.53x = 624,036,251,004.70
  5. Step 5: Solve for x
    x = 624,036,251,004.70/903,103.53
  6. Step 6: Final answer
    x = 690,990.82

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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.