Home / 922,639.18-1,273,213.20-540,920.20

Finding the Fourth Proportional to 922,639.18, 1,273,213.20 and 540,920.20

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Solution

The fourth proportional to 922,639.18, 1,273,213.20 and 540,920.20 is: 746,452.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,639.18 : 1,273,213.20 = 540,920.20 : x
  2. Step 2: Convert to fraction form
    922,639.18/1,273,213.20 = 540,920.20/x
  3. Step 3: Cross multiply
    922,639.18x = 1,273,213.20 × 540,920.20
  4. Step 4: Simplify right side
    922,639.18x = 688,706,738,786.64
  5. Step 5: Solve for x
    x = 688,706,738,786.64/922,639.18
  6. Step 6: Final answer
    x = 746,452.95

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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.