Home / 1,078,785.61-1,618,441.85-359,125.92

Finding the Fourth Proportional to 1,078,785.61, 1,618,441.85 and 359,125.92

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Solution

The fourth proportional to 1,078,785.61, 1,618,441.85 and 359,125.92 is: 538,776.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,785.61 : 1,618,441.85 = 359,125.92 : x
  2. Step 2: Convert to fraction form
    1,078,785.61/1,618,441.85 = 359,125.92/x
  3. Step 3: Cross multiply
    1,078,785.61x = 1,618,441.85 × 359,125.92
  4. Step 4: Simplify right side
    1,078,785.61x = 581,224,419,245.57
  5. Step 5: Solve for x
    x = 581,224,419,245.57/1,078,785.61
  6. Step 6: Final answer
    x = 538,776.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.