Home / 926,522.87-1,278,623.21-518,614.56

Finding the Fourth Proportional to 926,522.87, 1,278,623.21 and 518,614.56

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Solution

The fourth proportional to 926,522.87, 1,278,623.21 and 518,614.56 is: 715,700.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,522.87 : 1,278,623.21 = 518,614.56 : x
  2. Step 2: Convert to fraction form
    926,522.87/1,278,623.21 = 518,614.56/x
  3. Step 3: Cross multiply
    926,522.87x = 1,278,623.21 × 518,614.56
  4. Step 4: Simplify right side
    926,522.87x = 663,112,610,866.87
  5. Step 5: Solve for x
    x = 663,112,610,866.87/926,522.87
  6. Step 6: Final answer
    x = 715,700.21

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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.