Home / 968,589.49-1,336,653.49-538,869.51

Finding the Fourth Proportional to 968,589.49, 1,336,653.49 and 538,869.51

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Solution

The fourth proportional to 968,589.49, 1,336,653.49 and 538,869.51 is: 743,639.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,589.49 : 1,336,653.49 = 538,869.51 : x
  2. Step 2: Convert to fraction form
    968,589.49/1,336,653.49 = 538,869.51/x
  3. Step 3: Cross multiply
    968,589.49x = 1,336,653.49 × 538,869.51
  4. Step 4: Simplify right side
    968,589.49x = 720,281,811,196.09
  5. Step 5: Solve for x
    x = 720,281,811,196.09/968,589.49
  6. Step 6: Final answer
    x = 743,639.92

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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.