Home / 748,390.46-1,123,295.41-463,218.39

Finding the Fourth Proportional to 748,390.46, 1,123,295.41 and 463,218.39

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Solution

The fourth proportional to 748,390.46, 1,123,295.41 and 463,218.39 is: 695,266.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,390.46 : 1,123,295.41 = 463,218.39 : x
  2. Step 2: Convert to fraction form
    748,390.46/1,123,295.41 = 463,218.39/x
  3. Step 3: Cross multiply
    748,390.46x = 1,123,295.41 × 463,218.39
  4. Step 4: Simplify right side
    748,390.46x = 520,331,090,156.54
  5. Step 5: Solve for x
    x = 520,331,090,156.54/748,390.46
  6. Step 6: Final answer
    x = 695,266.86

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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.