Home / 709,063.54-1,062,708.32-354,176.62

Finding the Fourth Proportional to 709,063.54, 1,062,708.32 and 354,176.62

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Solution

The fourth proportional to 709,063.54, 1,062,708.32 and 354,176.62 is: 530,821.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,063.54 : 1,062,708.32 = 354,176.62 : x
  2. Step 2: Convert to fraction form
    709,063.54/1,062,708.32 = 354,176.62/x
  3. Step 3: Cross multiply
    709,063.54x = 1,062,708.32 × 354,176.62
  4. Step 4: Simplify right side
    709,063.54x = 376,386,439,052.15
  5. Step 5: Solve for x
    x = 376,386,439,052.15/709,063.54
  6. Step 6: Final answer
    x = 530,821.88

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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.