Home / 761,331.40-1,141,905.90-200,410.12

Finding the Fourth Proportional to 761,331.40, 1,141,905.90 and 200,410.12

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Solution

The fourth proportional to 761,331.40, 1,141,905.90 and 200,410.12 is: 300,591.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,331.40 : 1,141,905.90 = 200,410.12 : x
  2. Step 2: Convert to fraction form
    761,331.40/1,141,905.90 = 200,410.12/x
  3. Step 3: Cross multiply
    761,331.40x = 1,141,905.90 × 200,410.12
  4. Step 4: Simplify right side
    761,331.40x = 228,849,498,447.71
  5. Step 5: Solve for x
    x = 228,849,498,447.71/761,331.40
  6. Step 6: Final answer
    x = 300,591.17

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Double scale
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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.