Home / 821,833.53-1,134,154.49-459,258.25

Finding the Fourth Proportional to 821,833.53, 1,134,154.49 and 459,258.25

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Solution

The fourth proportional to 821,833.53, 1,134,154.49 and 459,258.25 is: 633,789.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,833.53 : 1,134,154.49 = 459,258.25 : x
  2. Step 2: Convert to fraction form
    821,833.53/1,134,154.49 = 459,258.25/x
  3. Step 3: Cross multiply
    821,833.53x = 1,134,154.49 × 459,258.25
  4. Step 4: Simplify right side
    821,833.53x = 520,869,806,307.04
  5. Step 5: Solve for x
    x = 520,869,806,307.04/821,833.53
  6. Step 6: Final answer
    x = 633,789.92

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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.