Home / 926,476.24-1,278,429.78-518,600.92

Finding the Fourth Proportional to 926,476.24, 1,278,429.78 and 518,600.92

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Solution

The fourth proportional to 926,476.24, 1,278,429.78 and 518,600.92 is: 715,609.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,476.24 : 1,278,429.78 = 518,600.92 : x
  2. Step 2: Convert to fraction form
    926,476.24/1,278,429.78 = 518,600.92/x
  3. Step 3: Cross multiply
    926,476.24x = 1,278,429.78 × 518,600.92
  4. Step 4: Simplify right side
    926,476.24x = 662,994,860,063.40
  5. Step 5: Solve for x
    x = 662,994,860,063.40/926,476.24
  6. Step 6: Final answer
    x = 715,609.13

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1.5x scale

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.