Home / 946,484.87-1,306,263.71-538,685.91

Finding the Fourth Proportional to 946,484.87, 1,306,263.71 and 538,685.91

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Solution

The fourth proportional to 946,484.87, 1,306,263.71 and 538,685.91 is: 743,451.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,484.87 : 1,306,263.71 = 538,685.91 : x
  2. Step 2: Convert to fraction form
    946,484.87/1,306,263.71 = 538,685.91/x
  3. Step 3: Cross multiply
    946,484.87x = 1,306,263.71 × 538,685.91
  4. Step 4: Simplify right side
    946,484.87x = 703,665,856,668.04
  5. Step 5: Solve for x
    x = 703,665,856,668.04/946,484.87
  6. Step 6: Final answer
    x = 743,451.78

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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.