Home / 382,322.64-527,618.78-210,253.68

Finding the Fourth Proportional to 382,322.64, 527,618.78 and 210,253.68

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Solution

The fourth proportional to 382,322.64, 527,618.78 and 210,253.68 is: 290,157.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,322.64 : 527,618.78 = 210,253.68 : x
  2. Step 2: Convert to fraction form
    382,322.64/527,618.78 = 210,253.68/x
  3. Step 3: Cross multiply
    382,322.64x = 527,618.78 × 210,253.68
  4. Step 4: Simplify right side
    382,322.64x = 110,933,792,312.40
  5. Step 5: Solve for x
    x = 110,933,792,312.40/382,322.64
  6. Step 6: Final answer
    x = 290,157.53

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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.