Home / 851,205.61-1,277,184.51-446,301.04

Finding the Fourth Proportional to 851,205.61, 1,277,184.51 and 446,301.04

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Solution

The fourth proportional to 851,205.61, 1,277,184.51 and 446,301.04 is: 669,648.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,205.61 : 1,277,184.51 = 446,301.04 : x
  2. Step 2: Convert to fraction form
    851,205.61/1,277,184.51 = 446,301.04/x
  3. Step 3: Cross multiply
    851,205.61x = 1,277,184.51 × 446,301.04
  4. Step 4: Simplify right side
    851,205.61x = 570,008,774,286.65
  5. Step 5: Solve for x
    x = 570,008,774,286.65/851,205.61
  6. Step 6: Final answer
    x = 669,648.75

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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.