Home / 709,063.35-1,062,708.08-354,176.43

Finding the Fourth Proportional to 709,063.35, 1,062,708.08 and 354,176.43

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Solution

The fourth proportional to 709,063.35, 1,062,708.08 and 354,176.43 is: 530,821.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,063.35 : 1,062,708.08 = 354,176.43 : x
  2. Step 2: Convert to fraction form
    709,063.35/1,062,708.08 = 354,176.43/x
  3. Step 3: Cross multiply
    709,063.35x = 1,062,708.08 × 354,176.43
  4. Step 4: Simplify right side
    709,063.35x = 376,386,152,135.67
  5. Step 5: Solve for x
    x = 376,386,152,135.67/709,063.35
  6. Step 6: Final answer
    x = 530,821.61

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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.