Home / 907,684.92-1,252,635.30-499,816.98

Finding the Fourth Proportional to 907,684.92, 1,252,635.30 and 499,816.98

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Solution

The fourth proportional to 907,684.92, 1,252,635.30 and 499,816.98 is: 689,764.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,684.92 : 1,252,635.30 = 499,816.98 : x
  2. Step 2: Convert to fraction form
    907,684.92/1,252,635.30 = 499,816.98/x
  3. Step 3: Cross multiply
    907,684.92x = 1,252,635.30 × 499,816.98
  4. Step 4: Simplify right side
    907,684.92x = 626,088,392,687.39
  5. Step 5: Solve for x
    x = 626,088,392,687.39/907,684.92
  6. Step 6: Final answer
    x = 689,764.01

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Double scale
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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.