Home / 896,281.02-1,236,880.71-493,864.38

Finding the Fourth Proportional to 896,281.02, 1,236,880.71 and 493,864.38

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Solution

The fourth proportional to 896,281.02, 1,236,880.71 and 493,864.38 is: 681,539.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,281.02 : 1,236,880.71 = 493,864.38 : x
  2. Step 2: Convert to fraction form
    896,281.02/1,236,880.71 = 493,864.38/x
  3. Step 3: Cross multiply
    896,281.02x = 1,236,880.71 × 493,864.38
  4. Step 4: Simplify right side
    896,281.02x = 610,851,324,978.11
  5. Step 5: Solve for x
    x = 610,851,324,978.11/896,281.02
  6. Step 6: Final answer
    x = 681,539.95

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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.