Home / 910,866.04-1,257,105.96-528,892.81

Finding the Fourth Proportional to 910,866.04, 1,257,105.96 and 528,892.81

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Solution

The fourth proportional to 910,866.04, 1,257,105.96 and 528,892.81 is: 729,936.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,866.04 : 1,257,105.96 = 528,892.81 : x
  2. Step 2: Convert to fraction form
    910,866.04/1,257,105.96 = 528,892.81/x
  3. Step 3: Cross multiply
    910,866.04x = 1,257,105.96 × 528,892.81
  4. Step 4: Simplify right side
    910,866.04x = 664,874,300,509.38
  5. Step 5: Solve for x
    x = 664,874,300,509.38/910,866.04
  6. Step 6: Final answer
    x = 729,936.43

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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.