Home / 910,553.32-1,256,474.03-502,628.84

Finding the Fourth Proportional to 910,553.32, 1,256,474.03 and 502,628.84

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Solution

The fourth proportional to 910,553.32, 1,256,474.03 and 502,628.84 is: 693,578.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,553.32 : 1,256,474.03 = 502,628.84 : x
  2. Step 2: Convert to fraction form
    910,553.32/1,256,474.03 = 502,628.84/x
  3. Step 3: Cross multiply
    910,553.32x = 1,256,474.03 × 502,628.84
  4. Step 4: Simplify right side
    910,553.32x = 631,540,087,172.96
  5. Step 5: Solve for x
    x = 631,540,087,172.96/910,553.32
  6. Step 6: Final answer
    x = 693,578.37

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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.