Home / 761,997.60-1,142,196.28-256,383.04

Finding the Fourth Proportional to 761,997.60, 1,142,196.28 and 256,383.04

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Solution

The fourth proportional to 761,997.60, 1,142,196.28 and 256,383.04 is: 384,305.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,997.60 : 1,142,196.28 = 256,383.04 : x
  2. Step 2: Convert to fraction form
    761,997.60/1,142,196.28 = 256,383.04/x
  3. Step 3: Cross multiply
    761,997.60x = 1,142,196.28 × 256,383.04
  4. Step 4: Simplify right side
    761,997.60x = 292,839,754,543.09
  5. Step 5: Solve for x
    x = 292,839,754,543.09/761,997.60
  6. Step 6: Final answer
    x = 384,305.35

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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.