Home / 1,032,086.40-1,424,760.96-688,494.72

Finding the Fourth Proportional to 1,032,086.40, 1,424,760.96 and 688,494.72

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Solution

The fourth proportional to 1,032,086.40, 1,424,760.96 and 688,494.72 is: 950,444.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,032,086.40 : 1,424,760.96 = 688,494.72 : x
  2. Step 2: Convert to fraction form
    1,032,086.40/1,424,760.96 = 688,494.72/x
  3. Step 3: Cross multiply
    1,032,086.40x = 1,424,760.96 × 688,494.72
  4. Step 4: Simplify right side
    1,032,086.40x = 980,940,398,222.13
  5. Step 5: Solve for x
    x = 980,940,398,222.13/1,032,086.40
  6. Step 6: Final answer
    x = 950,444.07

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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.