Home / 989,178.51-1,364,632.94-581,096.26

Finding the Fourth Proportional to 989,178.51, 1,364,632.94 and 581,096.26

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Solution

The fourth proportional to 989,178.51, 1,364,632.94 and 581,096.26 is: 801,658.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,178.51 : 1,364,632.94 = 581,096.26 : x
  2. Step 2: Convert to fraction form
    989,178.51/1,364,632.94 = 581,096.26/x
  3. Step 3: Cross multiply
    989,178.51x = 1,364,632.94 × 581,096.26
  4. Step 4: Simplify right side
    989,178.51x = 792,983,087,978.16
  5. Step 5: Solve for x
    x = 792,983,087,978.16/989,178.51
  6. Step 6: Final answer
    x = 801,658.23

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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.