Home / 926,525.87-1,278,627.35-518,617.56

Finding the Fourth Proportional to 926,525.87, 1,278,627.35 and 518,617.56

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Solution

The fourth proportional to 926,525.87, 1,278,627.35 and 518,617.56 is: 715,704.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,525.87 : 1,278,627.35 = 518,617.56 : x
  2. Step 2: Convert to fraction form
    926,525.87/1,278,627.35 = 518,617.56/x
  3. Step 3: Cross multiply
    926,525.87x = 1,278,627.35 × 518,617.56
  4. Step 4: Simplify right side
    926,525.87x = 663,118,593,813.18
  5. Step 5: Solve for x
    x = 663,118,593,813.18/926,525.87
  6. Step 6: Final answer
    x = 715,704.35

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Double scale
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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.