Home / 804,342.70-1,109,995.41-436,820.86

Finding the Fourth Proportional to 804,342.70, 1,109,995.41 and 436,820.86

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Solution

The fourth proportional to 804,342.70, 1,109,995.41 and 436,820.86 is: 602,814.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,342.70 : 1,109,995.41 = 436,820.86 : x
  2. Step 2: Convert to fraction form
    804,342.70/1,109,995.41 = 436,820.86/x
  3. Step 3: Cross multiply
    804,342.70x = 1,109,995.41 × 436,820.86
  4. Step 4: Simplify right side
    804,342.70x = 484,869,149,592.25
  5. Step 5: Solve for x
    x = 484,869,149,592.25/804,342.70
  6. Step 6: Final answer
    x = 602,814.14

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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.