Home / 989,178.01-1,364,632.25-581,095.76

Finding the Fourth Proportional to 989,178.01, 1,364,632.25 and 581,095.76

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Solution

The fourth proportional to 989,178.01, 1,364,632.25 and 581,095.76 is: 801,657.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,178.01 : 1,364,632.25 = 581,095.76 : x
  2. Step 2: Convert to fraction form
    989,178.01/1,364,632.25 = 581,095.76/x
  3. Step 3: Cross multiply
    989,178.01x = 1,364,632.25 × 581,095.76
  4. Step 4: Simplify right side
    989,178.01x = 792,982,004,705.62
  5. Step 5: Solve for x
    x = 792,982,004,705.62/989,178.01
  6. Step 6: Final answer
    x = 801,657.54

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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.