Home / 926,764.20-1,278,713.88-564,183.90

Finding the Fourth Proportional to 926,764.20, 1,278,713.88 and 564,183.90

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Solution

The fourth proportional to 926,764.20, 1,278,713.88 and 564,183.90 is: 778,439.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,764.20 : 1,278,713.88 = 564,183.90 : x
  2. Step 2: Convert to fraction form
    926,764.20/1,278,713.88 = 564,183.90/x
  3. Step 3: Cross multiply
    926,764.20x = 1,278,713.88 × 564,183.90
  4. Step 4: Simplify right side
    926,764.20x = 721,429,783,802.53
  5. Step 5: Solve for x
    x = 721,429,783,802.53/926,764.20
  6. Step 6: Final answer
    x = 778,439.42

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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.